Baczki [ˈbat͡ʂki] is a village in the administrative district of Gmina Repki, within Sokołów County, Masovian Voivodeship, in east-central Poland. It lies approximately 5 kilometres (3 mi) east of Repki, 15 km (9 mi) east of Sokołów Podlaski, and 101 km (63 mi) east of Warsaw.