Banská Bystrica Region (in Slovak Banskobystrický kraj) is the largest in Slovakia by area, it has an area of 9,454.01 km 2 . The capital of the region is city of Banská Bystrica, according to the population the fifth largest city in Slovakia. Banská Bystrica Region borders on Nitra Region (Nitriansky kraj), Trenčín Region (Trenčiansky kraj), Žilina Region (Žilinský kraj), Prešov Region (Prešovský kraj) and Košice Region (Košický kraj), on Hungary in south.