Accra is the capital and largest city of Ghana. It is located on the Gulf of Guinea, with a population of over 4 million people. It is a major economic and financial hub in West Africa, and is home to many international organizations, including the African Union, the Economic Community of West African States, and the United Nations. Accra is known for its vibrant culture, lively nightlife, and beautiful beaches. It is also home to many historical sites, including the Kwame Nkrumah Mausoleum, the National Museum of Ghana, and the W.E.B. Du Bois Center.