Karstified rocks of different lithology cover more than 10% of the continental surface of our planet. It is known that some 20% or even a few percent more of the global population largely depends on karstic groundwater but in many karst areas all over the world there are limited natural resources including absence of drinking waters. The problems of water shortage, equitable water use or water protection from pollution, become more problematic when they come to transboundary regions. The Dinaric region is a classical karst area where created borders of newly established countries after the...