HALL, a city of the Austrian province of the Tyrol, in the circle of the Valley of the Lower Inn, on the left bank of which river it stands, and by which it has the benefit of a water communication with Vienna. It is situated between two picturesque mountains, and is surrounded with walls and adorned by a fine old Gothic church. In the city there is a very extensive salt work; the salt is made from a natural spring of brine, which is also used for salt-water bathing. The population consists of 4270 persons, some of whom are employed in spinning cotton, and in knitting hosiery goods.