Pest (Hungarian: Pest vármegye, pronounced [ˈpɛʃt]; German: Komitat Pest) is a county (vármegye) in central Hungary. It covers an area of 6,393.14 square kilometres (2,468.41 sq mi), and has a population of 1,339,090 (2023). The suburbs of Budapest surrounds the national capital Budapest and is the county's largest administrative unit (13.8%/1.3 million in 2013). It shares borders with Slovakia and the Hungarian counties Nógrád, Heves, Jász-Nagykun-Szolnok, Bács-Kiskun, Fejér, and Komárom-Esztergom. The River Danube flows through the county. The capital of Pest County is Budapest, although Budapest is not part of Pest County. Starting 2018, they also constitute different NUTS:HU level 2 regions, as previously Pest County has lost catch-up aids from the European Union because of the high development of Budapest.