Upolu is one of the two main islands of Samoa, located in the South Pacific Ocean. It is known for its stunning beaches, lush rainforests, and vibrant culture. The island is home to the capital city, Apia, which serves as the political and economic center of Samoa. The island covers an area of approximately 1,125 square kilometers and features a mountainous interior. Upolu is also famous for its natural attractions, including the To Sua Ocean Trench and Lalomanu Beach, making it a popular destination for tourists seeking adventure and relaxation.