Ostrów [ˈɔstruf] 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 7 kilometres (4 mi) south-west of Dorohusk, 21 km (13 mi) east of Chełm, and 86 km (53 mi) east of the regional capital Lublin.