Cząstków [ˈt͡ʂɔ̃stkuf] is a village in the administrative district of Gmina Kłodawa, within Koło County, Greater Poland Voivodeship, in west-central Poland. It lies approximately 4 kilometres (2 mi) north-west of Kłodawa, 18 km (11 mi) north-east of Koło, and 134 km (83 mi) east of the regional capital Poznań.