| Major Isidoro | |
| Established Title: | Established |
| Established Date: | 17 September 1949 |
| Area Total Km2: | 448.849 |
| Population Total: | 19,864 |
| Population Density Km2: | auto |
-9.5319°N -36.985°WMajor Isidoro is a municipality located in the center of the Brazilian state of Alagoas. Its population is 19,864 (2020)[1] and its area is 454 km².[2]