. "Sanquhar"@en . "Seanchair"@en . . . . "NS781099" . "DG4" . . . "Sanchar"@en . . "Sanquhar /\u02C8s\u00E6\u014Bk\u0259r/ (Scots: Sanchar, Scottish Gaelic: Seanchair) is a town on the River Nith in Dumfries and Galloway, Scotland. It lies north of Thornhill and west of Moffat. It is a former Royal Burgh.Sanquhar is notable for its tiny post office (established in 1712), claimed to be the oldest working post office in the world."@en . .