Malta is a southern European country in the Mediterranean Sea. It lies 80 km (50 mi) south of Sicily, 284 km (176 mi) east of Tunisia, and 333 km (207 mi) north of Libya. The country covers just over 316 km2, making it one of the world's smallest and most densely populated countries. The capital of Malta is Valletta, which is also, at 0.8 km2, the smallest capital in the EU. Malta has two official languages: Maltese and English. Malta is a popular tourist destination with its warm climate, numerous recreational areas, and architectural and historical monuments, including nine UNESCO World Heritage Sites: Hal Saflieni Hypogeum, Valletta, and seven Megalithic Temples, which are some of the oldest free-standing structures in the world.