As defined by this company, Salzkammergut as a tourist region includes 58 municipalities in three Austrian states, the majority within Upper Austria (Gmunden and Vöcklabruck districts), besides smaller portions of Styria and Salzburg.
A Roman settlement and salt evaporation pond at Hallstatt is documented about 100, affected by several Germanic invasions after the Marcomannic Wars, until the province was finally evacuated at the behest of the Italian king Odoacer in 488.
From about 530, Bavarii tribes settled the region from the west, they encountered Alpine Slavs who had moved northwards through the Enns Valley and across the Dachstein Mountains.
From 900 salt trade is again documented along the Traun River, when the area was part of the Traungau region of the German stem duchy of Bavaria, held by the comital dynasty of the Otakars, who from 1056 also ruled over the neighbouring March of Styria.
Rudolph's son King Albert I of Germany defended his hegemony against the rival Prince-Archbishops of Salzburg to the west and in 1298 made the lands of Ischl a present to his wife Countess Elisabeth of Gorizia-Tyrol.
The Habsburg officials resided at Wildenstein Castle near Ischl and the surrounding estates were designated a Kammergut, as first documented in a 1656 deed.
The term Salzkammergut dates to this period, during which the Gmunden Salzoberamt was the administrative seat of all salt mines in the region,[3] with subordinate offices at Ischl, Ebensee am Traunsee, Stadl, Lambach, Wels, Zizlau, Enghagen, Mauthausen and Linz.
Salinen- und Forstdirektion , the predecessor of the modern Salinen Austria AG (a joint-stock company since 1979, fully privatised in 1997).
[citation needed] The salt mining industry is the namesake of the region, but is today a relatively minor contributor to the local economy.
[citation needed] The Salzkammergut also profits from its tradition of small businesses and trade companies, many of which originated due to the salt mining.