Gulan Sigong, Yunnan, China (Google Maps ⧉, OpenStreetMap ⧉)
Referenced In
The Travels of Marco Polo
by Marco Polo, da Pisa Rusticiano"Gold is said still to be very plentiful in the mountains called Gulan Sigong, to the N.W. of Yun-nan, adjoining the great eastern branch of the Irawadi..."