OceanaGold Corporation engages in the exploration, development, and operation of mineral properties. The company operates the Didipio gold-copper mine on Luzon Island in the Philippines; the Macraes goldfield mine on the South Island of New Zealand; the Waihi gold mine on the North Island of New Zealand; and Haile gold mine located in South Carolina, the United States. It also produces silver and other minerals. The company was incorporated in 2003 and is headquartered in Melbourne, Australia.