Zagreb is the capital and the largest city of the Republic of Croatia. It is located in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb lies at an elevation of approximately 122 m above sea level. The wider Zagreb metropolitan area includes the City of Zagreb and the separate Zagreb County bringing the total metropolitan area population up to 1,110,517. It is the only metropolitan area in Croatia with a population of over one million.Zagreb is a city with a rich history dating from the Roman times to the present day. The oldest settlement in the urban area of the city is Andautonia, a Roman settlement in the place of today’s Ščitarjevo. The name “Zagreb” is mentioned for the first time in 1094 at the founding of the Zagreb diocese of Kaptol, and Zagreb became a free royal town in 1242, whereas the origin of the name still remains a mystery in spite of several theories. In 1851 Zagreb had its first mayor, Janko Kamauf, and in 1945 it was made the capital of Croatia when the demographic boom and the urban sprawl made the city as it is known nowadays.