BRUNN, a circle in the Austrian province of Moravia, extending over 4437 square miles, and having in 1851 an estimated population of 874,528. The northern part of the circle is a portion of the Moravian mountain range, which abounds in mineral wealth. Between the mountains the land is highly productive in corn and cattle. It is the chief manufacturing district of the imperial dominions, and produces good woolen, linen, and cotton goods of all descriptions.