Changchow, Fujian, China (Google Maps ⧉, OpenStreetMap ⧉)

"which lies in a south-westerly, not a south-easterly direction, you cross the river by a handsome bridge, and travelling for five days by way of Tung-an, locally Tang-oa, you arrive at Changchau."

"Changchow, the Capital of Fuhkien in Mongol Times, read before the Society, 19th November, 1888 (Jour. C. B. R. A. S., XXIII. N.S., no 1, 1888, pp. 23–30)."