Jarosław County is a unit of territorial administration and local government (powiat) in Subcarpathian Voivodeship, south-eastern Poland, on the border with Ukraine. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Jarosław, which lies 49 kilometres (30 mi) east of the regional capital Rzeszów. The only other towns in the county are Radymno, lying 13 km (8 mi) south-east of Jarosław, and Pruchnik.