Papua New Guinea (Tok Pisin: Papua Niugini; Hiri Motu: Papua Niu Gini), officially the Independent State of Papua New Guinea (Tok Pisin: Independen Stet bilong Papua Niugini) comprises the eastern part of the world's largest and highest tropical island, New Guinea, together with many smaller offshore islands. It has a long and un-policed land border with the Papua region of Indonesia to the west.