According to Baidu Encyclopedia, Tongzhou District, a municipal district of Nantong City, Jiangsu Province, is located in the southeast of Jiangsu Province, on the northeast wing of the Yangtze River Delta, bordering the Yellow Sea in the east, the Yangtze River in the west, Haimen District in the southeast, Chongchuan District in the west, and Rugao City and Rudong County in the west and north. Coastline length 15.97km, coastline length 10.77km, total area193.95km2, including land area 1 156.67km2 and Yangtze River area of 0.37km2. ..

Tongzhou is a famous hometown of textile, architecture, education and Chinese Quyi in China. It has the third largest Nantong Home Textile City in the world, won 52 Luban Awards, the highest award in the national construction industry, and won the title of "National Advanced County (city, district) for scientific and technological progress" for six consecutive years.