Zhangjiagang (simplified Chinese: 张家港; traditional Chinese: 張家港; pinyin: Zhāngjiāgǎng; Wade–Giles: Chang-chia-kang; literally "Zhangs' Harbor") is a county-level city in Jiangsu province, China, and is an administrative division of Suzhou City. Zhangjiagang's population is around 1,500,000, with around 90,000 residents of the city proper (urban area). Natives of the area speak a variant of Wu Chinese, close to the Suzhou variant, and similar but distinct from Shanghainese. Communities surrounding the city are mostly rural, and their economies traditionally depended heavily on agriculture and water-based activities. The GDP reached RMB 140.2 billion yuan (US$20.5 billion) in 2009, a growth of 11.7% from 2008. The GDP per capita reached RMB 155,900 yuan (ca. US$22,800).