The Caucasian Mineral Waters is a group of spa resorts, located in the Northern Caucasus region of Russia. It includes the towns of Pyatigorsk, Zheleznovodsk, Yessentuki, and Kislovodsk.[1] The region features over 130 sanatoriums and hotels, many equipped with the latest medical equipment, which can accommodate up to 30,000 people simultaneously.[2] As of 2022, the spas receive over 730,000 visitors annually.[3] In addition to approximately 300 mineral springs with diverse properties, the region is famous for its landscape, mild climate, and the medicinal mud of Lake Tambukan.[1]