Kozdroje [kɔzˈdrɔjɛ] is a village in the administrative district of Gmina Regimin, within Ciechanów County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) north-east of Regimin, 10 km (6 mi) north of Ciechanów, and 86 km (53 mi) north of Warsaw.