Plaza de la Catedral, located in Old Havana, is a historical square known for its stunning Cathedral of Havana. Originally a swamp turned naval dockyard, it now boasts grand mansions and the Museo del Arte Colonial. Visitors can enjoy the picturesque surroundings, dine at local restaurants, and admire the statue of flamenco dancer Antonio Gades. It's a must-visit spot for anyone exploring the vibrant streets of Havana.