Student housing in Poznan County – 556 properties for rent

556 student apartments in Poznan County found

    2 bedrooms apartment of 40.0 m² - Cozy living space
    2 bedrooms apartment of 40.0 m² - Stylish comfort
    2 bedrooms apartment of 40.0 m² - Your new rental home
    2 bedrooms apartment of 40.0 m² - Excellent rental offer
    2 bedrooms apartment of 40.0 m² - Well-planned
    2 bedrooms apartment of 40.0 m² - Bright interior
    2 bedrooms apartment of 40.0 m² - Efficient space
    2 bedrooms apartment of 40.0 m² - Clever design
    2 bedrooms apartment of 40.0 m² - Ready for rent
    2 bedrooms apartment of 40.0 m² - Airy feel
    2 bedrooms apartment of 40.0 m² - Cozy living space
    2 bedrooms apartment of 40.0 m² - Stylish comfort
    2 bedrooms apartment of 40.0 m² - Your new rental home
    2 bedrooms apartment of 40.0 m² - Excellent rental offer

    2 rooms apartment of 40m²

    Collegium Da Vinci, Generała Tadeusza Kutrzeby 10, 61-719 Poznan, Poland

    2000 zł / month

    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer
    2 bedrooms apartment of 49.0 m² - Well-planned
    2 bedrooms apartment of 49.0 m² - Bright interior
    2 bedrooms apartment of 49.0 m² - Efficient space
    2 bedrooms apartment of 49.0 m² - Clever design
    2 bedrooms apartment of 49.0 m² - Ready for rent
    2 bedrooms apartment of 49.0 m² - Airy feel
    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer
    2 bedrooms apartment of 49.0 m² - Well-planned
    2 bedrooms apartment of 49.0 m² - Bright interior
    2 bedrooms apartment of 49.0 m² - Efficient space
    2 bedrooms apartment of 49.0 m² - Clever design
    2 bedrooms apartment of 49.0 m² - Ready for rent
    2 bedrooms apartment of 49.0 m² - Airy feel
    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer
    2 bedrooms apartment of 49.0 m² - Well-planned

    2 rooms apartment of 49m²

    unnamed road, 60-687 Poznan, Poland

    2100 zł / month

    3 bedrooms apartment of 58.0 m² - Cozy living space
    3 bedrooms apartment of 58.0 m² - Stylish comfort
    3 bedrooms apartment of 58.0 m² - Your new rental home
    3 bedrooms apartment of 58.0 m² - Excellent rental offer
    3 bedrooms apartment of 58.0 m² - Well-planned
    3 bedrooms apartment of 58.0 m² - Bright interior
    3 bedrooms apartment of 58.0 m² - Efficient space
    3 bedrooms apartment of 58.0 m² - Clever design
    3 bedrooms apartment of 58.0 m² - Ready for rent
    3 bedrooms apartment of 58.0 m² - Airy feel
    3 bedrooms apartment of 58.0 m² - Cozy living space
    3 bedrooms apartment of 58.0 m² - Stylish comfort
    3 bedrooms apartment of 58.0 m² - Your new rental home
    3 bedrooms apartment of 58.0 m² - Excellent rental offer
    3 bedrooms apartment of 58.0 m² - Well-planned

    3 rooms apartment of 58m²

    Dolina 3, 61-551 Poznan, Poland

    2400 zł / month

    1 bedroom apartment of 35.0 m² - Cozy living space
    1 bedroom apartment of 35.0 m² - Stylish comfort
    1 bedroom apartment of 35.0 m² - Your new rental home
    1 bedroom apartment of 35.0 m² - Excellent rental offer
    1 bedroom apartment of 35.0 m² - Well-planned
    1 bedroom apartment of 35.0 m² - Bright interior
    1 bedroom apartment of 35.0 m² - Efficient space
    1 bedroom apartment of 35.0 m² - Clever design
    1 bedroom apartment of 35.0 m² - Ready for rent
    1 bedroom apartment of 35.0 m² - Airy feel
    1 bedroom apartment of 35.0 m² - Cozy living space
    1 bedroom apartment of 35.0 m² - Stylish comfort
    1 bedroom apartment of 35.0 m² - Your new rental home
    1 bedroom apartment of 35.0 m² - Excellent rental offer

    1 room apartment of 35m²

    Żelazko, Bolesława Krysiewicza, 61-887 Poznan, Poland

    2100 zł / month

    1 bedroom room of 19.4 m² - Cozy living space
    1 bedroom room of 19.4 m² - Stylish comfort
    1 bedroom room of 19.4 m² - Your new rental home
    1 bedroom room of 19.4 m² - Excellent rental offer
    1 bedroom room of 19.4 m² - Well-planned
    1 bedroom room of 19.4 m² - Bright interior
    1 bedroom room of 19.4 m² - Efficient space
    1 bedroom room of 19.4 m² - Clever design
    1 bedroom room of 19.4 m² - Ready for rent
    1 bedroom room of 19.4 m² - Airy feel
    1 bedroom room of 19.4 m² - Cozy living space
    1 bedroom room of 19.4 m² - Stylish comfort
    1 bedroom room of 19.4 m² - Your new rental home
    1 bedroom room of 19.4 m² - Excellent rental offer
    1 bedroom room of 19.4 m² - Well-planned
    1 bedroom room of 19.4 m² - Bright interior
    1 bedroom room of 19.4 m² - Efficient space
    1 bedroom room of 19.4 m² - Clever design
    1 bedroom room of 19.4 m² - Ready for rent

    1 room of 19m²

    Gniewka 3, 61-063 Poznan, Poland

    1000 zł / month

    2 bedrooms apartment of 59.0 m² - Cozy living space
    2 bedrooms apartment of 59.0 m² - Stylish comfort
    2 bedrooms apartment of 59.0 m² - Your new rental home
    2 bedrooms apartment of 59.0 m² - Excellent rental offer
    2 bedrooms apartment of 59.0 m² - Well-planned
    2 bedrooms apartment of 59.0 m² - Bright interior
    2 bedrooms apartment of 59.0 m² - Efficient space
    2 bedrooms apartment of 59.0 m² - Clever design
    2 bedrooms apartment of 59.0 m² - Ready for rent
    2 bedrooms apartment of 59.0 m² - Airy feel
    2 bedrooms apartment of 59.0 m² - Cozy living space
    2 bedrooms apartment of 59.0 m² - Stylish comfort
    2 bedrooms apartment of 59.0 m² - Your new rental home
    2 bedrooms apartment of 59.0 m² - Excellent rental offer
    2 bedrooms apartment of 59.0 m² - Well-planned
    2 bedrooms apartment of 59.0 m² - Bright interior
    2 bedrooms apartment of 59.0 m² - Efficient space

    2 rooms apartment of 59m²

    Byka 2, 61-244 Poznan, Poland

    2100 zł / month

    2 bedrooms apartment of 45.0 m² - Cozy living space
    2 bedrooms apartment of 45.0 m² - Stylish comfort
    2 bedrooms apartment of 45.0 m² - Your new rental home
    2 bedrooms apartment of 45.0 m² - Excellent rental offer
    2 bedrooms apartment of 45.0 m² - Well-planned
    2 bedrooms apartment of 45.0 m² - Bright interior
    2 bedrooms apartment of 45.0 m² - Efficient space
    2 bedrooms apartment of 45.0 m² - Clever design
    2 bedrooms apartment of 45.0 m² - Ready for rent
    2 bedrooms apartment of 45.0 m² - Airy feel
    2 bedrooms apartment of 45.0 m² - Cozy living space
    2 bedrooms apartment of 45.0 m² - Stylish comfort
    2 bedrooms apartment of 45.0 m² - Your new rental home
    2 bedrooms apartment of 45.0 m² - Excellent rental offer
    2 bedrooms apartment of 45.0 m² - Well-planned
    2 bedrooms apartment of 45.0 m² - Bright interior
    2 bedrooms apartment of 45.0 m² - Efficient space
    2 bedrooms apartment of 45.0 m² - Clever design
    2 bedrooms apartment of 45.0 m² - Ready for rent
    2 bedrooms apartment of 45.0 m² - Airy feel

    2 rooms apartment of 45m²

    Wołkowyska, 61-132 Poznan, Poland

    2350 zł / month

    2 bedrooms apartment of 56.0 m² - Cozy living space
    2 bedrooms apartment of 56.0 m² - Stylish comfort
    2 bedrooms apartment of 56.0 m² - Your new rental home
    2 bedrooms apartment of 56.0 m² - Excellent rental offer
    2 bedrooms apartment of 56.0 m² - Well-planned
    2 bedrooms apartment of 56.0 m² - Bright interior
    2 bedrooms apartment of 56.0 m² - Efficient space
    2 bedrooms apartment of 56.0 m² - Clever design
    2 bedrooms apartment of 56.0 m² - Ready for rent
    2 bedrooms apartment of 56.0 m² - Airy feel
    2 bedrooms apartment of 56.0 m² - Cozy living space
    2 bedrooms apartment of 56.0 m² - Stylish comfort
    2 bedrooms apartment of 56.0 m² - Your new rental home
    2 bedrooms apartment of 56.0 m² - Excellent rental offer

    2 rooms apartment of 56m²

    Katowicka, 61-131 Poznan, Poland

    2000 zł / month

    2 bedrooms apartment of 44.0 m² - Cozy living space
    2 bedrooms apartment of 44.0 m² - Stylish comfort
    2 bedrooms apartment of 44.0 m² - Your new rental home
    2 bedrooms apartment of 44.0 m² - Excellent rental offer
    2 bedrooms apartment of 44.0 m² - Well-planned
    2 bedrooms apartment of 44.0 m² - Bright interior
    2 bedrooms apartment of 44.0 m² - Efficient space
    2 bedrooms apartment of 44.0 m² - Clever design
    2 bedrooms apartment of 44.0 m² - Ready for rent
    2 bedrooms apartment of 44.0 m² - Airy feel
    2 bedrooms apartment of 44.0 m² - Cozy living space
    2 bedrooms apartment of 44.0 m² - Stylish comfort
    2 bedrooms apartment of 44.0 m² - Your new rental home
    2 bedrooms apartment of 44.0 m² - Excellent rental offer
    2 bedrooms apartment of 44.0 m² - Well-planned
    2 bedrooms apartment of 44.0 m² - Bright interior
    2 bedrooms apartment of 44.0 m² - Efficient space
    2 bedrooms apartment of 44.0 m² - Clever design
    2 bedrooms apartment of 44.0 m² - Ready for rent
    2 bedrooms apartment of 44.0 m² - Airy feel
    2 bedrooms apartment of 44.0 m² - Cozy living space
    2 bedrooms apartment of 44.0 m² - Stylish comfort
    2 bedrooms apartment of 44.0 m² - Your new rental home
    2 bedrooms apartment of 44.0 m² - Excellent rental offer
    2 bedrooms apartment of 44.0 m² - Well-planned

    2 rooms apartment of 44m²

    Hawelańska, 61-694 Poznan, Poland

    1900 zł / month

    2 bedrooms apartment of 35.0 m² - Cozy living space
    2 bedrooms apartment of 35.0 m² - Stylish comfort
    2 bedrooms apartment of 35.0 m² - Your new rental home
    2 bedrooms apartment of 35.0 m² - Excellent rental offer
    2 bedrooms apartment of 35.0 m² - Well-planned
    2 bedrooms apartment of 35.0 m² - Bright interior
    2 bedrooms apartment of 35.0 m² - Efficient space
    2 bedrooms apartment of 35.0 m² - Clever design
    2 bedrooms apartment of 35.0 m² - Ready for rent
    2 bedrooms apartment of 35.0 m² - Airy feel
    2 bedrooms apartment of 35.0 m² - Cozy living space
    2 bedrooms apartment of 35.0 m² - Stylish comfort
    2 bedrooms apartment of 35.0 m² - Your new rental home
    2 bedrooms apartment of 35.0 m² - Excellent rental offer
    2 bedrooms apartment of 35.0 m² - Well-planned
    2 bedrooms apartment of 35.0 m² - Bright interior
    2 bedrooms apartment of 35.0 m² - Efficient space
    2 bedrooms apartment of 35.0 m² - Clever design

    2 rooms apartment of 35m²

    Augustyna Szamarzewskiego 45, 60-551 Poznan, Poland

    2250 zł / month

    1 bedroom apartment of 30.0 m² - Cozy living space
    1 bedroom apartment of 30.0 m² - Stylish comfort
    1 bedroom apartment of 30.0 m² - Your new rental home
    1 bedroom apartment of 30.0 m² - Excellent rental offer
    1 bedroom apartment of 30.0 m² - Well-planned
    1 bedroom apartment of 30.0 m² - Bright interior
    1 bedroom apartment of 30.0 m² - Efficient space
    1 bedroom apartment of 30.0 m² - Clever design
    1 bedroom apartment of 30.0 m² - Ready for rent
    1 bedroom apartment of 30.0 m² - Airy feel
    1 bedroom apartment of 30.0 m² - Cozy living space

    1 room apartment of 30m²

    Promienista 121a, 61-135 Poznan, Poland

    2000 zł / month

    2 bedrooms apartment of 58.0 m² - Cozy living space

    2 rooms apartment of 58m²

    Wojska Polskiego, 60-623 Poznan, Poland

    2500 zł / month

    2 bedrooms apartment of 50.0 m² - Cozy living space
    2 bedrooms apartment of 50.0 m² - Stylish comfort
    2 bedrooms apartment of 50.0 m² - Your new rental home
    2 bedrooms apartment of 50.0 m² - Excellent rental offer
    2 bedrooms apartment of 50.0 m² - Well-planned
    2 bedrooms apartment of 50.0 m² - Bright interior
    2 bedrooms apartment of 50.0 m² - Efficient space
    2 bedrooms apartment of 50.0 m² - Clever design
    2 bedrooms apartment of 50.0 m² - Ready for rent
    2 bedrooms apartment of 50.0 m² - Airy feel
    2 bedrooms apartment of 50.0 m² - Cozy living space
    2 bedrooms apartment of 50.0 m² - Stylish comfort
    2 bedrooms apartment of 50.0 m² - Your new rental home
    2 bedrooms apartment of 50.0 m² - Excellent rental offer
    2 bedrooms apartment of 50.0 m² - Well-planned
    2 bedrooms apartment of 50.0 m² - Bright interior
    2 bedrooms apartment of 50.0 m² - Efficient space
    2 bedrooms apartment of 50.0 m² - Clever design
    2 bedrooms apartment of 50.0 m² - Ready for rent
    2 bedrooms apartment of 50.0 m² - Airy feel

    2 rooms apartment of 50m²

    Teofila Mateckiego 4a, 60-689 Poznan, Poland

    2200 zł / month

    2 bedrooms apartment of 42.0 m² - Cozy living space
    2 bedrooms apartment of 42.0 m² - Stylish comfort
    2 bedrooms apartment of 42.0 m² - Your new rental home
    2 bedrooms apartment of 42.0 m² - Excellent rental offer
    2 bedrooms apartment of 42.0 m² - Well-planned
    2 bedrooms apartment of 42.0 m² - Bright interior
    2 bedrooms apartment of 42.0 m² - Efficient space
    2 bedrooms apartment of 42.0 m² - Clever design
    2 bedrooms apartment of 42.0 m² - Ready for rent
    2 bedrooms apartment of 42.0 m² - Airy feel
    2 bedrooms apartment of 42.0 m² - Cozy living space
    2 bedrooms apartment of 42.0 m² - Stylish comfort
    2 bedrooms apartment of 42.0 m² - Your new rental home
    2 bedrooms apartment of 42.0 m² - Excellent rental offer
    2 bedrooms apartment of 42.0 m² - Well-planned
    2 bedrooms apartment of 42.0 m² - Bright interior
    2 bedrooms apartment of 42.0 m² - Efficient space
    2 bedrooms apartment of 42.0 m² - Clever design
    2 bedrooms apartment of 42.0 m² - Ready for rent
    2 bedrooms apartment of 42.0 m² - Airy feel
    2 bedrooms apartment of 42.0 m² - Cozy living space
    2 bedrooms apartment of 42.0 m² - Stylish comfort
    2 bedrooms apartment of 42.0 m² - Your new rental home

    2 rooms apartment of 42m²

    Zwierzyniecka, 60-814 Poznan, Poland

    2200 zł / month

    2 bedrooms apartment of 38.0 m² - Cozy living space
    2 bedrooms apartment of 38.0 m² - Stylish comfort
    2 bedrooms apartment of 38.0 m² - Your new rental home
    2 bedrooms apartment of 38.0 m² - Excellent rental offer
    2 bedrooms apartment of 38.0 m² - Well-planned
    2 bedrooms apartment of 38.0 m² - Bright interior
    2 bedrooms apartment of 38.0 m² - Efficient space
    2 bedrooms apartment of 38.0 m² - Clever design
    2 bedrooms apartment of 38.0 m² - Ready for rent
    2 bedrooms apartment of 38.0 m² - Airy feel
    2 bedrooms apartment of 38.0 m² - Cozy living space
    2 bedrooms apartment of 38.0 m² - Stylish comfort
    2 bedrooms apartment of 38.0 m² - Your new rental home
    2 bedrooms apartment of 38.0 m² - Excellent rental offer
    2 bedrooms apartment of 38.0 m² - Well-planned
    2 bedrooms apartment of 38.0 m² - Bright interior
    2 bedrooms apartment of 38.0 m² - Efficient space
    2 bedrooms apartment of 38.0 m² - Clever design
    2 bedrooms apartment of 38.0 m² - Ready for rent
    2 bedrooms apartment of 38.0 m² - Airy feel

    2 rooms apartment of 38m²

    Zwierzyniecka 32A, 60-814 Poznan, Poland

    2200 zł / month

    2 bedrooms apartment of 50.0 m² - Cozy living space
    2 bedrooms apartment of 50.0 m² - Stylish comfort
    2 bedrooms apartment of 50.0 m² - Your new rental home
    2 bedrooms apartment of 50.0 m² - Excellent rental offer
    2 bedrooms apartment of 50.0 m² - Well-planned
    2 bedrooms apartment of 50.0 m² - Bright interior
    2 bedrooms apartment of 50.0 m² - Efficient space
    2 bedrooms apartment of 50.0 m² - Clever design
    2 bedrooms apartment of 50.0 m² - Ready for rent
    2 bedrooms apartment of 50.0 m² - Airy feel
    2 bedrooms apartment of 50.0 m² - Cozy living space
    2 bedrooms apartment of 50.0 m² - Stylish comfort
    2 bedrooms apartment of 50.0 m² - Your new rental home
    2 bedrooms apartment of 50.0 m² - Excellent rental offer
    2 bedrooms apartment of 50.0 m² - Well-planned
    2 bedrooms apartment of 50.0 m² - Bright interior

    2 rooms apartment of 50m²

    Wałbrzyska, 60-319 Poznan, Poland

    1950 zł / month

    1 bedroom apartment of 37.0 m² - Cozy living space
    1 bedroom apartment of 37.0 m² - Stylish comfort
    1 bedroom apartment of 37.0 m² - Your new rental home
    1 bedroom apartment of 37.0 m² - Excellent rental offer
    1 bedroom apartment of 37.0 m² - Well-planned
    1 bedroom apartment of 37.0 m² - Bright interior
    1 bedroom apartment of 37.0 m² - Efficient space
    1 bedroom apartment of 37.0 m² - Clever design
    1 bedroom apartment of 37.0 m² - Ready for rent
    1 bedroom apartment of 37.0 m² - Airy feel
    1 bedroom apartment of 37.0 m² - Cozy living space
    1 bedroom apartment of 37.0 m² - Stylish comfort
    1 bedroom apartment of 37.0 m² - Your new rental home
    1 bedroom apartment of 37.0 m² - Excellent rental offer
    1 bedroom apartment of 37.0 m² - Well-planned

    1 room apartment of 37m²

    Henryka Opieńskiego 4C, 60-685 Poznan, Poland

    1800 zł / month

    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer
    2 bedrooms apartment of 49.0 m² - Well-planned
    2 bedrooms apartment of 49.0 m² - Bright interior
    2 bedrooms apartment of 49.0 m² - Efficient space
    2 bedrooms apartment of 49.0 m² - Clever design
    2 bedrooms apartment of 49.0 m² - Ready for rent
    2 bedrooms apartment of 49.0 m² - Airy feel
    2 bedrooms apartment of 49.0 m² - Cozy living space
    2 bedrooms apartment of 49.0 m² - Stylish comfort
    2 bedrooms apartment of 49.0 m² - Your new rental home
    2 bedrooms apartment of 49.0 m² - Excellent rental offer
    2 bedrooms apartment of 49.0 m² - Well-planned
    2 bedrooms apartment of 49.0 m² - Bright interior

    2 rooms apartment of 49m²

    Marcelińska 98, 60-324 Poznan, Poland

    2300 zł / month

    2 bedrooms apartment of 46.0 m² - Cozy living space
    2 bedrooms apartment of 46.0 m² - Stylish comfort
    2 bedrooms apartment of 46.0 m² - Your new rental home
    2 bedrooms apartment of 46.0 m² - Excellent rental offer
    2 bedrooms apartment of 46.0 m² - Well-planned
    2 bedrooms apartment of 46.0 m² - Bright interior
    2 bedrooms apartment of 46.0 m² - Efficient space
    2 bedrooms apartment of 46.0 m² - Clever design
    2 bedrooms apartment of 46.0 m² - Ready for rent
    2 bedrooms apartment of 46.0 m² - Airy feel
    2 bedrooms apartment of 46.0 m² - Cozy living space
    2 bedrooms apartment of 46.0 m² - Stylish comfort

    2 rooms apartment of 46m²

    Rembertowska 17, 60-143 Poznan, Poland

    1800 zł / month

    2 bedrooms apartment of 50.0 m² - Cozy living space
    2 bedrooms apartment of 50.0 m² - Stylish comfort
    2 bedrooms apartment of 50.0 m² - Your new rental home
    2 bedrooms apartment of 50.0 m² - Excellent rental offer
    2 bedrooms apartment of 50.0 m² - Well-planned
    2 bedrooms apartment of 50.0 m² - Bright interior
    2 bedrooms apartment of 50.0 m² - Efficient space
    2 bedrooms apartment of 50.0 m² - Clever design
    2 bedrooms apartment of 50.0 m² - Ready for rent
    2 bedrooms apartment of 50.0 m² - Airy feel

    2 rooms apartment of 50m²

    Szydłowska 40, 60-651 Poznan, Poland

    1900 zł / month

    2 bedrooms apartment of 51.0 m² - Cozy living space
    2 bedrooms apartment of 51.0 m² - Stylish comfort
    2 bedrooms apartment of 51.0 m² - Your new rental home
    2 bedrooms apartment of 51.0 m² - Excellent rental offer
    2 bedrooms apartment of 51.0 m² - Well-planned
    2 bedrooms apartment of 51.0 m² - Bright interior
    2 bedrooms apartment of 51.0 m² - Efficient space
    2 bedrooms apartment of 51.0 m² - Clever design
    2 bedrooms apartment of 51.0 m² - Ready for rent
    2 bedrooms apartment of 51.0 m² - Airy feel
    2 bedrooms apartment of 51.0 m² - Cozy living space
    2 bedrooms apartment of 51.0 m² - Stylish comfort
    2 bedrooms apartment of 51.0 m² - Your new rental home
    2 bedrooms apartment of 51.0 m² - Excellent rental offer
    2 bedrooms apartment of 51.0 m² - Well-planned
    2 bedrooms apartment of 51.0 m² - Bright interior
    2 bedrooms apartment of 51.0 m² - Efficient space
    2 bedrooms apartment of 51.0 m² - Clever design
    2 bedrooms apartment of 51.0 m² - Ready for rent
    2 bedrooms apartment of 51.0 m² - Airy feel

    2 rooms apartment of 51m²

    Marcelin Park 14, Świerzawska 14, 60-321 Poznan, Poland

    1800 zł / month

Other property types in Poznan County