Nockberge
It is situated at 588 metres above the Adriatic (1,929 ft), north of the Drava Valley within the Gurktal Alps (Nock Mountains) range of the Central Eastern Alps, near the town of Spittal an der Drau. With a surface area of Lake Millstatt is the second largest lake of Carinthia (after Lake Wörth), though with a depth of the most voluminous by far.