By this standard, Yunnan could be divided into four areas: the core area (hexin quyu), the semiperipheral area (waiwei quyu), the peripheral area (bianyuan quyu), and the blank area (kongbai quyu).    From Wordnik.com.  [Between Winds and Clouds: The Making of Yunnan (Second Century BCE to Twentieth Century CE)] Reference

The semiperipheral area (waiwei quyu) included Zhijiang, Qujing, Chuxiong, Heqing, Yaoan, Beisheng, Guangxi, and Lijiang, a total of nine prefectures with fifty-two jinshi.    From Wordnik.com.  [Between Winds and Clouds: The Making of Yunnan (Second Century BCE to Twentieth Century CE)] Reference