| Dukedom of Algeciras | |
|---|---|
 | |
| Creation date | 31 December 1906 |
| Created by | Alfonso XIII |
| Peerage | Peerage of Spain |
| First holder | Isabel Gutiérrez de Castro y Cossío, 1st Duchess of Algeciras |
| Present holder | Carlos López de Carrizosa y Mitjans, 4th Duke of Algeciras[1] |
Duke of Algeciras (Spanish: Duque de Algeciras), is a title of Spanish nobility that is accompanied by the dignity of Grandee of Spain. It was granted to Isabel Gutiérrez de Castro in 1906 by Alfonso XIII.[2] The title was granted in honor of the first duchess's late son, Juan Manuel Sanchez y Gutiérrez de Castro, who was married to the Duchess of Almodóvar del Río.
The title makes reference to the municipality of Algeciras, near the Strait of Gibraltar.