| Place name (English): | Hajdú-Bihar |
| Place name (local language): | |
| Place name (alt. local language): | |
| Place name (older spelling): | |
| Place name (other common spelling/language): | |
| Place type: | county |
| Is in the area of: | Hungary |
| Note: |
| 1 | Imre of Hungary (1007-2 November 1031) |