Hoàng Sa is an island district of Da Nang in the South Central Coast region of Vietnam. It covers an area of 305 km2 of the Paracel Islands, including these main features: Pattle Island, North Reef, Robert Island, Discovery Reef, Passu Keah, Triton Island, Tree Island, North Island, Middle Island, South Island, Woody Island, Lincoln Island, Duncan Island, Bombay Reef, Observation Bank, West Sand, Vuladdore Reef, Pyramid Rock. In 2009, Vietnam appointed an official, Dang Cong Ngu, to be the first chairman of Hoàng Sa District. The incumbent is Vo Cong Chanh, who was appointed on May 5, 2014. Vietnam does not control any of the islands it claims and the entire Paracel Islands is under the administration of the People's Republic of China as part of Sansha prefecture.