Hisarya is a small but very famous town in southern Bulgaria, 42 km north of Plovdiv. It is located on a sunny plain, a transition from the southern slopes of Sredna Gora to the Thracian Valley, at an altitude of 346 m above sea level. Its climate is transitional-continental, with mild winters. Its greatest wealth are the 22 mineral healing springs of different qualities and temperatures, and the water of all of them is of a very pleasant taste.