Before declaring a character that isn't yours a Mary Sue, or if you get people declaring your Mary Sue character for questionable reasons (eg, the character is simply a powerful female)...
Nansha District, is a district of Guangzhou, China. Port of Guangzhou is located within the southern portion of the new area. The Nansha Technology Development Zone was carved out of Panyu District in 1993. In 2005 it was named Nansha District.
Located on the northern bank of the Yangtze River, near the river mouth. Nantong is a vital river port bordering Yancheng to the north, Taizhou to the west, Suzhou and Shanghai to the south across the river, and the East China Sea to the east. Its current population is 7,282,835 at the 2010 census, 1,994,708 of whom live in the built-up area made up of three urban districts.