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; and it is the least densely populated, having 6 times lower population density than the Osrednjeslovenska region.
The Notranjsko-kraška region is among economically less developed in the country as in 2010 it contributed only 1.8% of Slovenia’s GDP. With fewer than 4 persons in paid employment, enterprises in the region are on average among smaller enterprises in the country. In 2011, the highest number of sick leave cases was registered in Notranjsko-kraška (137 per 100 persons in employment); they lasted on average 18.4 days.
This region has the highest employment rate in the country (in 2011 61.7%). Typical for this region is also a large share of inter-regional labour migrants. At the end of 2011 more than 40% of employed persons worked in the neighbouring regions. As regards the number of passenger cars per 1,000 population,
Notranjsko-kraška ranks third in the country, which shows that people in the region are among the most mobile in Slovenia. The mean age of cars they drive is 9 years. Otherwise, in Notranjsko-kraška municipal waste is carefully separated; namely in 2011, more than 30% of municipal waste was separately collected.