The spa Istibanja is located 8 km west of Kočani. These springs have been exploited as a health-spa since ancient times. The water contains hydro-carbonate sodium m- hyper thermal with a temperature of 650C, traces of sulfur and poor radioactivity.
The Department for physical medicine and rehabilitation was established in 1970, for the purpose of treating diseases of the digestive organs (gastritis, ulcer), rheumatic diseases, urinary diseases, gynecological diseases, and physical conditions after the injury of bones and joints.
Due to the particularly rich chemical composition of the water, this spa-resort possesses 50 beds in the 4th category of accommodation.