Honolulu, hon uh LOO loo or hoh noh LOO loo, is the capital, largest city, and chief port of Hawaii. The city's official name is the City and County of Honolulu. Technically, Honolulu covers the entire island of Oahu. But only the large urban area on Oahu's southeastern coast is commonly called Honolulu. Other communities on Oahu are known by their own names. More »