(Germ. Steiermark), DUCHY OF, a province of the Austrian Empire, bounded on the N. by the archduchy of Austria; E. by Hungary; S. by Croatia and Carniola; S.W. and W. by Carinthia and Salzburg. Its form is very irregular. Length, from N. to S. 124 miles; greatest breadth, 112; area, 8646 square miles. Pop. (1857), exclusive of the military, 1,070,747. (See Austria.)