Greece (Greek: Ελλάδα), officially the Hellenic Republic (Greek: Ελληνική Δημοκρατία), is a country located in the southern tip of the Balkan Peninsula, located at the crossroads of Europe, Asia, and Africa. Greece has the longest coastline on the Mediterranean and the 11th longest coastline in the world at 13,676 km (8,498 mi) in length, featuring many islands, of which 227 are inhabited. Eighty percent of Greece is mountainous, with Mount Olympus being the highest peak at 2,918 meters (9,573 ft).
The country consists of nine traditional geographic regions: Macedonia, Central Greece, the Peloponnese, Thessaly, Epirus, the Aegean Islands (including the Dodecanese and Cyclades), Thrace, Crete, and the Ionian Islands. It shares land borders with Albania to the northwest, North Macedonia (former Yugoslav Republic of Macedonia), Bulgaria to the north, and Turkey to the northeast. The Aegean Sea lies to the east of the mainland, the Ionian Sea to the west, the Cretan Sea and the Mediterranean Sea to the south.