Sijiu is a town located in the southwest of Guangdong Province in Southern China. It falls under the administrative jurisdiction of Taishan County within the Jiangmen Prefecture.
The town is notable for its significant population of "foreigners," which totaled approximately 50,000 residents as of 2014, primarily originating from Hong Kong, Macao, and Taiwan. This demographic presence is reflected in the local economy, which hosts about 50 foreign businesses.
A key economic feature of Sijiu is its "Taiwanese Merchant Street," a designated area housing approximately 20 Taiwanese enterprises. These businesses are primarily involved in light manufacturing operations.