Bulgaria is rich in mineral waters, with 225 mineral springs and a total discharge of 5000 l/s, mainly in the south-western and central parts of the country along the faults between the mountains. Most of them, 148, are situated in southern Bulgaria, while the other 77 are in the northern part of the country. The springs in the north tend to be with cool water, while those to the south are mainly warm and hot. The hottest spring in Bulgaria and the Balkans is situated in Sapareva Banya and reaches 101.4 °C. The Bulgarian word for spa, "баня", transliterated as "banya", appears in some of the names of more than 50 spa towns and resorts. They are located in several zones: "Balkan Mountains zone" (Varshets, Shipkovo, Voneshta Voda), "Srednogorie zone" (Sofia, Ovcha kupel, Bankya, Pancharevo, Strelcha, Hisarya, Banya, Pavel Banya), "Maritsa zone" (Kostenets (town), Kostenets (village), Dolna Banya, Momin Prohod), "Rilo-Rhodope zone" (Devin, Velingrad, Banite, Beden, Mihalkovo, Sapareva Banya), "Struma zone" (Kyustendil, Sandanski, Ognyanovo, Marikostinovo, Dobrinishte).