[Papua New Guinea](https://en.wikipedia.org/wiki/Papua_New_Guinea) is a country in Oceania that comprises the eastern half of the island of New Guinea and its offshore islands in Melanesia (a region of the southwestern Pacific Ocean north of Australia). Its capital, located along its southeastern coast, is Port Moresby. The country is the world's third largest island country with an area of 462,840 km2 (178,700 sq mi).