Baku is the capital city of Azerbaijan, located on the western coast of the Caspian Sea. It is known for its unique blend of modern architecture and historical sites, including the ancient Old City and the futuristic Flame Towers. Baku serves as a cultural and economic hub in the region. The city has a rich history influenced by various cultures, including Persian, Ottoman, and Russian. Baku is also famous for its vibrant nightlife, delicious cuisine, and annual events like the Baku Grand Prix, which attracts motorsport fans from around the world.