Sofia is the capital and the largest city in Bulgaria. It is the main administrative, industrial, transport and cultural center.
Sofia represents 1/6 of all the industrial production in the country. e international airport establishes a connection with most capitals and big cities in the world, as well as the regional airports throughout the country. e city has a 7000-year history. In VIII century BC in the place of a Neolithic village, the ancient city of Serdika was established due to its strategic position and natural resources.