Cuba's capital is HAVANA, a six-letter word. HAVANA is the largest city in Cuba and the country's political, cultural, and economic center. It is located on the northern coast of Cuba and is home to over two million people. The city has a long and rich history, having been founded in 1519 by Spanish conquistador Diego Velázquez de Cuellar. It has served as the capital of Cuba since 1607 and is known for its vibrant culture, architecture, and nightlife.