GUSTROW, a town of Northern Germany, grand duchy of Mecklenburg-Schwerin, on the left bank of the Nebel, 20 miles S. of Rostock. It is the capital of the circle of Wenden, or old duchy of Güstrow, and the seat of a court of chancery and several government boards. Its walls have been converted into promenades, and the old castle is now used as a house of correction. The cathedral and some of the churches are handsome buildings. Güstrow is a place of some commercial importance, having several breweries, distilleries, and factories of various kinds, and some trade in corn. Pop. 9100.