Großdubrau (German) or Wulka Dubrawa (Upper Sorbian, pronounced [ˈwulka ˈdubʁawa]) is a municipality in eastern Saxony, Germany.

The municipality is part of the recognized Sorbian settlement area in Saxony.

Upper Sorbian has an official status next to German, all villages bear names in both languages.

The municipality is situated in the Upper Lusatian flatland.

From 1952 to 1990, Großdubrau was part of the Bezirk Dresden of East Germany.