The capital city of Denmark is Copenhagen. Situated on the eastern coast of the island of Zealand, Copenhagen is a vibrant city known for its rich history, cultural attractions, and progressive urban design. Founded in the 10th century, it has grown to become a significant center for trade, culture, and politics in Scandinavia. The city is famous for landmarks such as the Tivoli Gardens, Nyhavn, and the Little Mermaid statue. Copenhagen is also recognized for its commitment to sustainability, with extensive cycling infrastructure and a focus on environmentally friendly living, making it one of the world's leading cities in sustainability practices.