Hawaii Revised Statutes Division 4. Courts and Judicial Proceedings § 603-1

(1) The first judicial circuit is the island of Oahu and all other islands belonging to the State not hereinafter mentioned;

(2) The second judicial circuit includes the islands of Maui, Molokai, Lanai, Kahoolawe, and Molokini;

(3) The third judicial circuit is the island of Hawaii;

(4) The fifth judicial circuit includes the islands of Kauai and Niihau.