Honolulu is the capital and largest city of the U.S. state of Hawaii. It is an unincorporated part of and the county seat of the City and County of Honolulu on the island of O'ahu. The city is the main gateway to Hawai'i and a major portal into the United States. The city is also a major hub for international business, military defense, as well as famously being host to a diverse variety of east-west and Pacific culture, cuisine, and traditions.Honolulu is the most remote city of its size in the world and is the westernmost major U.S. city. For statistical purposes, the U.S. Census Bureau recognizes the approximate area commonly referred to as "City of Honolulu" as a census county division. Honolulu is a major financial center of the islands and of the Pacific Ocean. The population of the Honolulu census designated place was 359,870 as of the 2017 population estimate. while the Honolulu CCD was 390,738 and the population of the consolidated city and county was 953,207.