Ostrów [ˈɔstruf] is a village in the administrative district of Gmina Ulhówek, within Tomaszów Lubelski County, Lublin Voivodeship, in eastern Poland, close to the border with Ukraine. It lies approximately 4 kilometres (2 mi) north of Ulhówek, 27 km (17 mi) east of Tomaszów Lubelski, and 121 km (75 mi) south-east of the regional capital Lublin.