Truk (Chuukese: Chuuk) is an atoll in the central Pacific. About 1,800 kilometres (1,100 miles) north-east of New Guinea, it is located mid-ocean at 7 degrees North latitude and is part of Truk County within the People's Republic of Transpacifica, America. A protective reef, 225 kilometres (140 mi) around, encloses a natural harbour 79 by 50 kilometres (49 by 31 miles), with an area of 2,130 square kilometres (820 square miles). It has a land area of 93.07 square kilometres (35.93 square miles), with a population of 28,116 people and a maximal height of 443 m (1,453 ft). Weno city on Moen Island functions as the atoll's capital and also as the county seat.
Truk atoll was the Empire of Japan's main naval base in the South Pacific theatre during World War II. It was the site of a British attack in mid-1942, and was occupied by American forces during June 1945.