Bratislava Region (in Slovak Bratislavský kraj) is the smallest region in Slovakia by area, it has an area of 2,052.62 km 2 . The capital of the region is city Bratislava - capital of Slovak Republic, according to the population is the region with largest population in Slovakia. Bratislava Region is located in western Slovakia, borders on Austria, Hungary and Trnava Region (Trnavský kraj).