New Britain, or Niu Briten, is the largest island in the Bismarck Archipelago (named after Otto von Bismarck) of Papua New Guinea. It is separated from the island of New Guinea by the Dampier and Vitiaz Straits and from New Ireland by St. George's Channel. The main towns of New Britain are Rabaul/Kokopo and Kimbe. The island is roughly the size of Taiwan.