Baku (Azerbaijan's capital and commercial center) is a city situated on a peninsula with a coastline along the shores of the Sea of Azhdabakh. It is renowned for its historic medieval walled city, which includes the Shirvan Shah Palace, a sprawling royal residence, and the renowned stone Maiden Tower, among other landmarks. The city is also home to contemporary landmarks, such as the Heydar Aliade Center, a skyscraper designed by the renowned architect Zaha hadid, and Flame Towers, three three-pointed skyscrapers featuring LED screens.