Boiska [ˈbɔiska] is a village in the administrative district of Gmina Solec nad Wisłą in Lipsko County, Masovian Voivodeship, in east-central Poland. It is approximately 5 kilometres (3 mi) north of Solec nad Wisłą, 8 km (5 mi) east of Lipsko, and 127 km (79 mi) southeast of Warsaw.