These are the most important spas in Emilia Romagna with the classification of their thermal waters:

- Bagno di Romagna (FC): bicarbonate-alkaline-sulphureous water at 45°C;
- Bologna: bicarbonate-sulphate-calcic and sulphureous water;
- Brisighella (RA): sulphureous and salso-bromo-iodic water;
- Castel San Pietro Terme (BO): sulphureous and salso-bromo-iodic water;
- Castrocaro Terme (FC): sulphureous and salso-bromo-iodic water;
- Busana-Cervarezza Terme (RE): bicarbonate-alkaline-sulphureous water;
- Cervia (RA): salso-bromo-iodic water;
- Bertinoro-Fratta Terme (FC): sodium chloride-magnesiac and salsoiodic-arsenical water;
- Montechiarugolo-Monticelli Terme (PR): salso-bromo-iodic and sulphureous-sulphate water;
- Porretta Terme (BO): sulphureous and salso-bromo-iodic water;
- Ravenna: salso-bromo-iodic and magnesic water;
- Riccione (RN): sulphureous-salso-bromo-iodic and magnesic water;
- Rimini: salso-iodic-magnesic-brominated water;
- Riolo Terme (RA): sulphureous and salso-bromo-iodic water;
- Salsomaggiore Terme (PR): salso-bromo-iodic water;
- Sant'Andrea Bagni (PR): bicarbonate-alkaline, sodium chlorinated, chalybeate-potassic, salso-bromo-iodic and sulphureous-calcic water;
- Sassuolo (MO): sulphureous water;
- Tabiano (PR): sulphureous-sulphate-calcic-magnesic water.