Apulia is a region of Italy in Southern Italy bordering the Adriatic Sea in the east, the Ionian Sea to the southeast, and the Strait of Òtranto and Gulf of Taranto in the south. Its southernmost portion, known as Salento peninsula, forms a high heel on the "boot" of Italy. The region comprises 19,345 square kilometers, and its population is about 4.1 million. It is bordered by the other Italian regions of Molise to the north, Campania to the west, and Basilicata to the southwest. It neighbors Albania, Bosnia-Herzegovina, Croatia, Greece, and Montenegro, across the Adriatic and Ionian Seas, respectively. The region extends as far north as Monte Gargano. Its capital city is Bari.