Halle, hahl'le, usually called Halle an der Saale (Halle on the Saale), to distinguish it from other places of the same name, an important German town in the Prussian province of Saxony. about 20 mi. n. w. of Leipzig, on the river Saale. The university, with which that of Wittenberg was incorporated in 1817, is a celebrated institution, founded in 1694 and attended by 2000 students. Halle has an extensive trade, and manufactures chemicals, oil, malt, dyes, agricultural machines and salt, which it mines on an island in the Saale. Population in 1900, 156,611.