Gąsiory [ɡɔ̃ˈɕɔrɨ] is a village in the administrative district of Gmina Ulan-Majorat, within Radzyń Podlaski County, Lublin Voivodeship, in eastern Poland. It lies approximately 8 kilometres (5 mi) north of Ulan-Majorat, 12 km (7 mi) north-west of Radzyń Podlaski, and 69 km (43 mi) north of the regional capital Lublin.