Bulgaria
See: List of spa towns in Bulgaria
Bulgaria is known for its over 500 mineral springs including the hottest spring in the Balkans in Sapareva Banya - 103°C. Other famous spa towns include Sandanski, Hisarya, Bankya, Devin, Kyustendil, Varshets.
In Bulgarian language the word for a spa is баня (transliterated banya).
Read more about this topic: Spa Town