Greece (in Greek, Hellas), officially known as the Hellenic Republic (Ellinikí Dimokratía), nation in south-eastern Europe, occupying the southernmost part of the Balkan Peninsula and numerous islands. It is bordered on the north-west by Albania, on the north by the Former Yugoslav Republic of Macedonia (FYROM) and Bulgaria, on the north-east by Turkey, on the east by the Aegean Sea, on the south by the Mediterranean Sea, and on the west by the Ionian Sea. The total area is 131,957 sq km (50,949 sq mi), of which about one fifth is composed of islands in the Aegean and Ionian seas. Athens is the capital and largest city.