Malta (/, / (listen); Maltese: ), officially known as the Republic of Malta (Maltese: Repubblika ta' Malta), is a Southern European island country consisting of an archipelago in the Mediterranean Sea. It lies 80 km (50 mi) south of Italy, 284 km (176 mi) east of Tunisia, and 333 km (207 mi) north of Libya. With a population of about 475,000 over an area of 316 km (122 sq mi), Malta is the world's tenth smallest and fifth most densely-populated country. Its capital is Valletta, which is the smallest national capital in the European Union by area at 0.8 km. The official languages are Maltese and English, with Maltese officially recognised as the national language and the only Semitic language in the European Union.