Jiaozhou (simplified Chinese: 胶州; traditional Chinese: 膠州; pinyin: Jiāozhōu), formerly Jiaoxian or Jiao County, is a county-level city of Qingdao sub-provincial municipality, Shandong Province, China. It gained its current county-level city designation in 1987. It has an area of 1,313 km2 (507 sq mi) and a population of 783,478 at the 2000 census. Jiaozhou, which belongs to Qingdao, Shandong, is located in the south-west of the Shandong Peninsula and the north-west coast of Jiaozhou Bay, with Chengyang District in the east, Gaomi and Jimo District in the west, Huangdao District in the south, and Pingdu in the north. The city is situated between 36 00 - 36 30 N, 119 37 - 120E, 51 kilometers across the East and west, 54.3 kilometers in the north and south, with a total area of 1324 square kilometers. As of 2016, there were six streets and six towns in Jiaozhou, with a total resident population of 89,3000.