The Upper Corsica French Department includes three districts :
| County | original name | Cantons | Commune | Population |
|---|---|---|---|---|
| Bastia | Bastia | 16 cantons | 94 communes. | 92,640 ( 1999 ) people |
| Calvi | Calvi | 4 cantons | 33 communes | 17,875 ( 1999 ) people |
| Corte | Corte | 10 cantons | 109 communes | 31,088 ( 1999 ) people |