The border areas of Hunan, Jiangxi, Guangdong, and Guangxi are the Nanling Mountains, which have similar terrain, similar natural resources, and similar socio-economic conditions.

• 湘赣粤桂边地区即南岭地区区位优势独特,资源优势明显,政策优势灵活,交通通讯日益便利,区域内资源、产业和市场具有很强的集聚性和趋同性。