Can Nanjing senior high school entrance examination be taken in other places?

You can't. According to the relevant national laws and regulations, candidates in the province are not allowed to take the regional senior high school entrance examination across provinces without special circumstances (immigration, family account change) to ensure the fairness of teaching. Nanjing, referred to as "Ning", was called Jinling and Jiankang in ancient times. It is the capital of Jiangsu Province, a sub-provincial city, a mega-city, the core city of Nanjing metropolitan area, and an important central city in eastern China determined by the State Council.