Gniazdków [ˈɡɲastkuf] is a village in the administrative district of Gmina Chotcza, within Lipsko County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) north of Chotcza, 16 km (10 mi) north-east of Lipsko, and 119 km (74 mi) south-east of Warsaw.