About this sound Dongyang (simplified Chinese: 东阳; traditional Chinese: 東陽; pinyin: Dōngyáng) is a Chinese city of about 804,398 people in the center of Zhejiang Province, about 200 kilometers south of Hangzhou. It covers an area of 1744.05 square kilometers and administers eleven towns, one county, and six subdistricts. It is part of the Yangtze River Delta Economic Region.Its built-up (or metro) area, made of Yiwu and Dongyang cities, was home to 2,038,413 inhabitants at the 2010 census.