Located in the downtown of Menglian County in the south of Yunnan, Nayun is the last surviving old Dai ethnic town in China. 

It’s near the Dracaena (Dragon Blood Trees) Natural Reserve and consists of the Upper Town (Shangcheng) where the Mansion of Menglian Pacification Commissioner is situated, the Middle Town (Zhongcheng), the Lower Town (Xiacheng) and Mangfang Mount etc. 

First built in 651 on the Dai Calendar (1289 AD), it has enjoyed a history of more than 700 years. In 2001, the ancient town is approved as a historic and cultural town in Yunnan. Each year, the Holy Fish Festival takes place in the town.