Zamojsce is a village in the administrative district of Gmina Radymno, within Jarosław County, Subcarpathian Voivodeship, in south-eastern Poland, close to the border with Ukraine. It lies approximately 4 kilometres (2 mi) south of Radymno, 14 km (9 mi) south-east of Jarosław, and 59 km (37 mi) east of the regional capital Rzeszów.