New Town. Haimen's musical fountain is located in the cultural square opposite the museum on the South Green Corridor of Xinchengfu in the south of Haimen. Haimen District, affiliated to Nantong City, Jiangsu Province, is located in the southeast of Jiangsu Province, on the north bank of the Yangtze River, bordering the Yellow Sea in the northeast, the Yangtze River in the south, Chongming District of Shanghai in the southeast, and Qidong City in the east.