The underground Karst world with the world famous Postojna Cave and the intermittent Cerknica Lake is the most important feature of this statistical region. As regards the area, this is one of the smallest regions in Slovenia.
|Indicators for year 2014||Region||Slovenia|
|Density of population (per km2)||36||102|
|Total increase (per 1,000 population)||2||1|
|Mean age of population (years)||43||42|
|Registered unemployment rate (%)||12||13|
|Average age of passenger cars (years)||10||9|