Chengyang District was established in June 1994, at longitude 120 ° 07'-120 ° 34 ', latitude 36 ° 11'-36 ° 24'. Laoshan District, east, south Licang District, west of Jiaozhou Bay and adjacent Jiaozhou, Jimo City, adjacent to the north. Horizontal distance 41.5 kilometers east to west, north and south longitudinal distance 24 km. The region's total area of 553.2 square kilometers, the city jurisdiction Yang, Liuting, xiazhuang, xifu town, Jihongtan, launched, the Loop, Red Island, 8 street, 230 administrative villages (neighborhood committees), population of 463,000 has a coastline of 78 km.
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