| Castillo | |
| Pushpin Map: | Dominican Republic |
| Pushpin Relief: | 1 |
| Coordinates: | 19.22°N -70.03°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Duarte |
| Established Title: | Founded |
| Established Date: | n.a. |
| Established Title2: | Municipality since |
| Established Date2: | 1907 |
| Area Total Km2: | 133.68 |
| Area Footnotes: | [1] |
| Population Total: | 20258 |
| Population As Of: | 2012 |
| Total Type: | Total |
| Population Urban: | 8965 |
| Population Density Km2: | auto |
| Population Footnotes: | [2] |
| Blank Name: | Municipal Districts |
| Blank Info: | 0 |
Castillo is a municipality of the Duarte Province in the Dominican Republic.[3]
It was named after General Manuel María Castillo, hero of the Dominican Restoration.
The first inhabitants came to the area between 1718 and 1730 from foreign and neighboring communities, such as San Francisco de Macorís, Salcedo, Moca, and La Vega.