Koper , Slovenia's only sea port, is an important port for both Slovenia as well as Austria. Slovenia 's terrain consists of mountains, hills, plateaux, Karst limestone region and a strip of Adriatic coastline. Slovenia 's major rivers are the Drava , Sava and Mura.
Forests cover around fifty percent of the country.
Animals include deer, chamois, lynx and the brown bear. Triglav National Park is one of Europe's largest parks and Strunjan Landscape Park is a protected coastal area. Examples are Bled Castle , Predjama Castle , Ptuj Castle and the medieval towns of Izola, Koper and Piran . Many buildings, like those in Ptuj are protected national monuments. Ljubljana Castle is built on a hill and has a commanding view of the surrounding area.