Contains new information about Thermal and Mineral Waters from countries such as Egypt, Poland, Romania, Russia, Slovenia, Ukraine and Iran as well as Australia, Italy, Turkey Provides practical experience combined with scientific interpretation Invaluable as a refernce work in this field This special volume is devoted to the 41st Meeting of the Commission on Mineral and Thermal Waters of International Association of Hydrogeologists (IAH-CMTW) held in Cairo, Egypt, in October 2009. The presentations collected and presented in this volume show the variety of aspects of mineral and thermal waters occurrence and utilization in different countries of the world with a special focus on Egypt, Iran, Ukraine, Poland, Russia and Australia