Freetown, capital, chief port, and largest city of Sierra Leone, on the rocky Sierra Leone Peninsula, at the seaward tip of a range of wooded hills, which were named Serra Leôa (“Lion Mountains”) by the Portuguese navigator Pedro de Sintra when he explored the West African coast. Freetown, capital, chief port, and largest city of Sierra Leone, on the rocky Sierra Leone Peninsula, at the seaward tip of a range of wooded hills, which were named Serra Leôa (“Lion Mountains”) by the Portuguese navigator Pedro de Sintra when he explored the West African coast. Freetown is the capital and largest city of Sierra Leone, located on the western coast of Africa. With a population of approximately 1. 2 million people, it serves as the country's economic, financial, and cultural center. It is a major port city on the Atlantic Ocean and is located in the Western Area of the country. Freetown is Sierra Leone's major urban, economic, financial, cultural, educational and political centre, as it is the seat of. Freetown, the capital city of Sierra Leone, is nestled on the hilly Freetown Peninsula overlooking the Atlantic Ocean. Boasting stunning beaches, lush greenery, and a diverse cultural scene, it's a vibrant hub known for its friendly people and lively markets.