In Slovenian usage, the term Upper Styria refers to the Austrian federal state of Styria, as opposed to the area is often called Lower Styria, the part of the old duchy of Styria that became part of Yugoslavia after World War I and is now located in Slovenia.
In the Austrian usage of the term, Upper Styria (Obersteiermark) refers excusively to the northern, generally mountainous and well wooded part of the State of Styria, the other parts of the state being known as Western Styria and Eastern Styria (West and East of Graz respectively).
South of the Enns, Styria is traversed by groups of the central zone of the eastern Alps: the Niedere Tauern, the primitive Alps of Carinthia and Styria and the Styrian Nieder Alps.
The principal ramifications of the primitive Alps of Carinthia and Styria are: the Stang Alps with the Kenigsstuhl (7646 ft.) and Eisenhut (8007 ft.), the Judenburger or Seethaler Alps with the Zirbitzkogel (7862 ft.), and the Koralpen which culminates in the Grosser Speikkogel (7023 ft.).
Styria belongs to the watershed of the Danube and its principal rivers are: the Enns with its affluent the Salza, the Raab with the Feistritz, the Mur with the Miirz, the Drau or Drave, and the Sau or Save, which receives the Sann and the Sotla.
It borders the Czech Republic in the North, Slovakia in the East, Burgenland in the Southeast, Styria in the South and Upper Austria in the West.
The neighbouring provinces of Styria are Burgenland in the East, Upper and Lower Austria in the North, Salzburg and Carinthia in the West and Slovenia in the South.
UpperStyria is bounded by the Calcareous Alps in the North (Dachstein, Totes Gebirge, Ennstaler Alpen, Hochschwab, Schneeberg and Rax mountain chains).