Green Lake in Upper Styria, AustriaUpper Styria (German: Obersteiermark), in the Austrian usage of the term, refers exclusively to the northwestern, generally mountainous and well wooded half of the federal state of Styria. The southwestern half of the state around the capital of Graz is known as Central Styria (Mittelsteiermark), which is further divided into Eastern and Western Styria (east and west of Graz)
Upper Styria is separated from Central Styria by the Stubalpe and Gleinalpe ranges of the Lavanttal Alps, and the Prealps East of the Mur. It is a generally rural region characterized by agriculture and tourism, except for the area between the towns of Judenburg and Mürzzuschlag, in the valley formed by the rivers Mur and Mürz, with extensive industrial sites. The area around Altaussee in the far northwest ist part of the Austrian Salzkammergut cultural landscape.