Bacze [ˈbat͡ʂɛ] is a village in the administrative district of Gmina Opinogóra Górna, within Ciechanów County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) north of Opinogóra Górna, 10 km (6 mi) north-east of Ciechanów, and 82 km (51 mi) north of Warsaw.