The most important are: - Yalova, in the Ismid sanjak; Brusa, Chitli, Terje and Eskishehr, in the Brusa vilayet; Tuzla, in the Karasi; Cheshme, Ilija, Hierapolis (with enormous alum deposits), and Alashehr, in the Aidin; Terzili Hammam and Iskelib in the Angora; Boli in the Kastamuni; and Kha y sa, in the Sivas.
The springs are known to the Arabs as Hammam Meskutin (the " accursed baths ").
Within a mile of Hammam Meskutin are ferruginous and sulphureous springs.
Hammam R'Irha to the N.E.
At the north-east corner of the town is a sulphur spring, and 4 leagues to the south there is a hot sulphur spring (Hammam `Ali), much frequented by invalids.