Fifteen health and tourist resorts (Čatež, Rogaška Slatina, Radenci and Podčetrtek are the most widely known) are accredited as natural spas. 

Some springs have already developed into thermal and medical centres which in addition to the classic treatments and physiotherapy, now offer sophisticated wellness programmes and therapies.    

Central and north-east Slovenia (Zasavje, Štajerska and Prekmurje) have the biggest number of health resorts, with slightly less in the south-east (Dolenjska).