Malta (full name, Republic of Malta) is an archipelago in the Mediterranean Sea comprising the islands of Malta, Gozo, Comino, Comminotto and Filfla with a combined area of approximately 316 sq km and coastline of 197 km. Its terrain consists chiefly of low, rocky, flat plains with coastal cliffs. The country has been independent from Britain since 1964. Valletta is the capital, with a time difference of 1 hour ahead of GMT. The currency is the euro, and exports include machinery and transport equipment. The population of approximately 405,100 people comprises an ethnic makeup that is largely Maltese. The primary languages are Maltese and English, and the predominant religion is Christianity.