Bulgaria is a country situated in south-eastern Europe, bordering Romania, Serbia, the Republic of Macedonia, Greece, Turkey and the Black Sea. Its northern border with Romania follows the Danube river until Silistra. The land area of Bulgaria is 110,550 square kilometers, slightly larger than that of Iceland or the USA State of Tennessee. The country is situated on the west coast of the Black Sea, with Romania to the north, Greece and Turkey to the south, and Serbia to the west.