City and County of Honolulu (Island of Oahu)
County of Hawaii (Island of Hawaii)
County of Kauai (Islands of Kauai and Niihau)
County of Maui (Islands of Kahoolawe, Lanai, Maui, and Molokai)
There is one more county, the County of Kalawao. It consists of the former leper colony on Molokai at Kalaupapa, Kalawao, and Waikolu.