Shengzhou (China) is 2.1 times larger than Sanshui District.
Area: 836 km2 calculated
Sanshui District, formerly Sanshui City, is a district with about 386,000 inhabitants in Foshan, Guangdong province, People's Republic of China. Wikipedia
Area: 1,776 km2 calculated
Shengzhou is a county-level city in central Zhejiang inland 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. Wikipedia