Sandanski is a town and a recreation centre in south-western Bulgaria, part of Blagoevgrad Province. Named after revolutionary Yane Sandanski, it is situated in a valley at the foot of Pirin Mountains, along the banks of Sandanska Bistritsa River. Sandanski is about 20 km away from Bulgaria-Greece border and 100 km. away from Aegean sea. The town is about 160 km. south from Bulgaria's capital Sofia. Sandanski is the warmest city in Bulgaria, in combination with hot mineral springs, (33 - 83 °C) it is making the town one of the most popular international resorts for balneology and Spa. There are 80 springs in the area. The salinity of the water is low; it has a rich chemical composition. It is successfully used for treatment and prevention of many diseases of the respiratory tract, artro-rheumatism, diseases of the loco-motor system, the nervous system etc. The healing mineral water is the main reason for the region to be inhabited since ancient times. The settlement occurred in the 2nd millennium BC. According to the legends, the Thracian Spartacus, who led the largest slave uprising against the Roman empire, was born here. In the 6th century the town was one of the first Christian Episcopal centers in these lands. In the end of the 6th century the town was destroyed by Barbarian tribes. Until 1947, the name of the town was Sveti Vrach, after that it was renamed in honor of the great Bulgarian revolutionary Yane Sandanski (1872-1915).