Mościska [mɔɕˈt͡ɕiska] is a village in the administrative district of Gmina Izabelin, within Warsaw West County, Masovian Voivodeship, in east-central Poland. It lies approximately 4 kilometres (2 mi) south-east of Izabelin, 9 km (6 mi) north-east of Ożarów Mazowiecki, and 12 km (7 mi) north-west of Warsaw.