Bolesławek [bɔlɛˈswavɛk] is a village in the administrative district of Gmina Żabia Wola, within Grodzisk Mazowiecki County, Masovian Voivodeship, in east-central Poland. During World War II, it was extensively bombed by the German Luftwaffe, then torched in reprisal for resistance activity. Most of the inhabitants were killed or deported.