Haimen
Coordinates: 31 ° 56 ' N , 121 ° 18' E
The city of Haimen ( Chinese 海門市 / 海门市 , Pinyin Hǎimén Shì ) is a district-free city in the district-free city of Nantong in the Chinese province of Jiangsu . It has an area of 1,148 km² and has 1.02 million inhabitants.