Hungary is a unitary parliamentary republic in Central Europe. It covers an area of 93,030 square kilometres (35,920 sq mi), situated in the Carpathian Basin, and is bordered by Slovakia to the north, Romania to the east, Serbia to the south, Croatia to the southwest, Slovenia to the west, Austria to the northwest, and Ukraine to the northeast. With about 10 million inhabitants, Hungary is a medium-sized member state of the European Union. The official language is Hungarian, which is the most widely spoken Uralic language in the world. Hungary's capital and its largest city and metropolis is Budapest, a significant economic hub, classified as a leading global city. Major urban areas include Debrecen, Szeged, Miskolc, Pécs and Győr.