Tongatapu is the largest island in the Tonga archipelago, located in the South Pacific Ocean. It serves as the political and administrative center of the kingdom, housing the capital city, Nuku'alofa. The island is known for its lush landscapes, beautiful beaches, and rich cultural heritage. The geography of Tongatapu features limestone cliffs, coral reefs, and fertile plains. It is home to several historical sites, including ancient Marae and royal tombs. The island's economy is primarily based on agriculture, tourism, and fishing, making it a vital part of Tongan life and culture.