Papua New Guinea largest towns are also located, including Port Moresby (capital) and Lae; other major islands within Papua New Guinea include New Ireland, New Britain, Manus and Bougainville. Papua New Guinea is one of the few regions close to the equator that experience snowfall, which occurs in the most elevated parts of the mainland. The border between Papua New Guinea and Indonesia was confirmed by treaty with Australia before independence in 1974. Maritime boundaries with Australia were confirmed by a treaty in 1978. Papua New Guinea is part of the Australasia ecozone, which also includes Australia, New Zealand, eastern Indonesia, and several
Law of Papua New Guinea warrant, such as the Royal Papua New Guinea Constabulary and the Royal Papua Yacht Club, the formal link with the monarchy is largely invisible, and there is little general awareness of it. The Constitution declares the "underlying law" — that is, the separate common law of Papua New Guinea — to consist of the Constitution, "customary law" derived from the "custom" of the various peoples of Papua New Guinea, and the common law of England as it stood at the date of Papua New Guinea's independence on 16 September 1975. That is to say, decisions of the High Court of