Hawaii's capital is Honolulu, an 8-letter word. Honolulu is the most populous city in the U.S. state of Hawaii and the county seat of the City and County of Honolulu. It is located along the southeast coast of the island of Oahu. The city is the main gateway to Hawaii and a major portal into the United States. Honolulu is a major financial center of the islands and is also home to a large number of military bases and tourist attractions. The city is known for its diverse culture, warm climate, and beautiful beaches.