| Castel d'Aiano | |
| Official Name: | Comune di Castel d'Aiano |
| Coordinates: | 44.2667°N 11°W |
| Region: | Emilia-Romagna |
| Metropolitan City: | Bologna (BO) |
| Mayor: | Salvatore Argentieri |
| Area Total Km2: | 45.3 |
| Population Footnotes: | [1] |
| Population Total: | 1857 |
| Population As Of: | 31 May 2017 |
| Elevation M: | 805 |
| Postal Code: | 40034 |
| Area Code: | 051 |
Castel d'Aiano (Medial Mountain Bolognese: Castèl d'Ajàn) is a comune (municipality) in the Metropolitan City of Bologna in the northern Italian region of Emilia-Romagna, located in the Apennine mountains about 35km (22miles) southwest of Bologna.
Castel d'Aiano borders the following municipalities: Gaggio Montano, Montese, Vergato, Zocca.
In April 1945, while engaged in combat in the area, Bob Dole was wounded by a German shell that struck his right arm[2] [3]