Hallein is a city in the Austrian state of Salzburg (state). It is situated along the Salzach river in the shadow of Untersberg, near the border to Germany. It is the district capital of Tennengau . Its area is 24.9 km2, and the population is 18,500.
Long known for salt mines in the mountain of Dürnberg, settlements in the area have been traced 4000 years back. It was a Celtic community from 600 BCE until the Romans took over in 15 BCE. The name Hallein was instituted in the 13th century.
Hallein was the site of a work camp annex to the Dachau concentration camp in World War II.
