Mościska [mɔɕˈt͡ɕiska] is a village in the administrative district of Gmina Dorohusk, within Chełm County, Lublin Voivodeship, in eastern Poland, close to the border with Ukraine. It lies approximately 9 kilometres (6 mi) south of Dorohusk, 25 km (16 mi) east of Chełm, and 90 km (56 mi) east of the regional capital Lublin.