Zhuanghe (simplified Chinese: 庄河; traditional Chinese: 莊河; pinyin: Zhuānghé) is one of the two "northern county-level cities", the other being Wafangdian, under the administration of Dalian, located in the south of Liaoning province, People's Republic of China. Its area is 3,655.70 square kilometres (1,411.47 sq mi) and its permanent population as of 2010 is 841,321, making it Dalian's most spacious county-level division.
Zhuanghe occupies the northeastern corner of Dalian City on the Liaodong Peninsula, with latitude ranging from 39° 25' to 40° 12' N and longitude ranging from 122° 29' to 123° 31' E. It covers an area of 6,968 square kilometres (2,690 sq mi), 4,073 km2 (1,573 sq mi) of which is land; the natural coastline measures 285 km (177 mi). It borders Donggang City to the east, Pulandian City to the west, Gaizhou City and Xiuyan Manchu Autonomous County to the north, and Changhai County in the Yellow Sea to the south. Elevations increase from south to north, with the northern part of the city being part of the southern Qian Mountains; the highest elevation in Zhuanghe City is 1,130.7 m (3,710 ft).