Kinmen is located of the southeastern coast of Fujian Province in Xiamen Bay at the outlet to the Jiulong River. This area includes Kinmen Island, Liehyu (also known as Little Kinmen), DaDan, and ErDan, of a total of twelve islands and islets. These islands and islets cover an area of 150 square kilometers. To the west, at a distance of about 10 kilometers, is the Xiamen outport. To the east, at a distance of 277 kilometers, is Taiwan. This area is approximately at the same latitude as the Taichung area.