Gottfried von Strassburg is the author of the Middle High German courtly romance Tristan, an adaptation of the 12th-century Tristan and Iseult legend. Gottfried's work is regarded, alongside the Nibelungenlied and Wolfram von Eschenbach's Parzival, as one of the great narrative masterpieces of the German Middle Ages. He is probably also the composer of a small number of surviving lyrics. His work became a source of inspiration for Richard Wagner's opera Tristan und Isolde (1865).

Middle High German is the term for the form of German spoken in the High Middle Ages. It is conventionally dated between 1050 and 1350, developing from Old High German and into Early New High German. High German is defined as those varieties of German which were affected by the Second Sound Shift; the Middle Low German and Middle Dutch languages spoken to the North and North West, which did not participate in this sound change, are not part of MHG.