| Casaglia | |
| Coordinates: | 43.3503°N 10.6633°W |
| Province: | Pisa (PI) |
| Comune: | Montecatini Val di Cecina |
| Elevation M: | 130 |
| Population Total: | 12 |
| Population As Of: | 2011 |
| Postal Code: | 56040 |
| Area Code: | (+39) 0588 |
Casaglia is a village in Tuscany, central Italy, administratively a frazione of the comune of Montecatini Val di Cecina, province of Pisa. At the time of the 2001 census its population was 10.[1]
Casaglia is about 70 km from Pisa and 20 km from Montecatini Val di Cecina.