The capital city of Antigua and Barbuda is St. John's. Located on the northern coast of Antigua, it is the largest city in the country and serves as the economic and political center. St. John's features various historical buildings, a vibrant marketplace, and beautiful beaches nearby, making it a popular destination for tourists. The city is known for its cultural richness and the annual Antigua Carnival, which celebrates local traditions and music. With a mix of colonial history and modern development, St. John's reflects the diverse heritage of the nation.