CARLSTADT, a royal free city of Austrian Croatia, capital of a county of that name, stands on the Kulpa, which here receives the Korana and the Dobra, 32 miles S.W. of Agram. It consists of the fortress, which is surrounded by ramparts, trenches, and palisades; the inner town and suburb. Carlstadt is the seat of a bishop, and has one Greek and five Catholic churches, a Catholic gymnasium, and many handsome public buildings. It has a considerable transit trade, and manufactures the liqueur called rosoglio. Pop. 7000.