Dafen Town is located in the southwest of suichuan county, bordering Guidong County of Hunan Province in the south, Yanling County of Hunan Province in the west and Jinggangshan in the north. It is an important part of Jinggangshan, the cradle of revolution, and also the distribution center of border trade commodities and the trading center of agricultural special products in western Suichuan and Hunan and Jiangxi regions. The town covers an area of 30 1 km2, and has jurisdiction over 23 administrative villages and 2 neighborhood committees with 37,528 people.

The town government is 48 kilometers away from the county seat, and Suishan (Suichuan to Yanling County, Hunan Province) highway passes through the town. Transportation and communication are very convenient, location advantages are obvious, and the market is prosperous. It is one of the "four ancient towns" in central and southern Jiangxi.