Dohna is a town in the Sächsische Schweiz-Osterzgebirge district, Saxony, Germany. It is located south of Heidenau. It is located in the Müglitz valley and lies west of the Eastern Ore Mountains. It was known as Donin in 1107, 1160 and until 1206. Donyn in from 1288 to 1408. Doneyn unwil 1454 and other forms were Dhonin, Donow and became Dohna. The name comes from Property of the Doň(s) from the Bohemian first name Zdoň.
It is accessed by routes 172 and 172A, and by the A17 at the Pirna interchange.