Honolulu is the capital and the most populous city of the U.S. state of Hawaii. Honolulu is the southernmost major U.S. city. Although the name “Honolulu” refers to the urban area on the southeastern shore of the island of Oahu, the city and county government are consolidated as the City and County of Honolulu which covers the entire island. Upon arrival at the airport, you will be transferred to the hotel. After checking into your hotel.