What is "shengzhou"

Shengzhou , formerly Shengxian or Sheng County, is a county-level city in central Zhejiang, south of the Hangzhou Bay, and is the south-eastern part of the prefecture-level city of Shaoxing. It is about 1.5 hours drive from the provincial capital of Hangzhou through the Hangzhou-Ningbo, Shangyu-Sanmen Expressway. At the 2010 census, its population was 679,762, but 1,060,206 lived in the built-up area made of Shengzhou City and Xinchang County largely being conurbated.