Zduny is a town in west-central Poland, in Krotoszyn County in the Greater Poland Voivodeship, with 4,551 inhabitants as of 2011. Zduny lies in …Zduny is a town in west-central Poland, in Krotoszyn County in the Greater Poland Voivodeship, with 4,551 inhabitants as of 2011. Zduny lies in western part of Kalisz Upland, about 7 kilometres from Krotoszyn and about 39 km from Ostrów Wielkopolski.