Seoul is the capital and largest city of the Republic of Korea, the official name of the city is the City of Special Subordination Seoul. The main political, economic and cultural center of the Republic of Korea, a giant city, together with an agglomeration that includes the city of 4 million Incheon, twice its size. One of the leading financial centers in East Asia. Seoul has more skyscrapers than any other Asian city. All world brands are represented in the city, whole streets and quarters specialize in trade.