| Official Name: | Adjaha |
| Settlement Type: | Arrondissement |
| Pushpin Map Caption: | Location in Benin |
| Subdivision Type: | Country |
| Subdivision Name: |  Benin |
| Subdivision Type1: | Department |
| Subdivision Name1: | Mono Department |
| Subdivision Type2: | Commune |
| Subdivision Name2: | Grand-Popo |
| Unit Pref: | Imperial |
| Population As Of: | 2002 |
| Population Total: | 5787 |
| Timezone: | WAT |
| Utc Offset: | +1 |
Adjaha is an arrondissement in the Mono department of Benin. It is an administrative division under the jurisdiction of the commune of Grand-Popo. According to the population census conducted by the Institut National de la Statistique Benin on February 15, 2002, the arrondissement had a total population of 5,787.[1]
Adjaha is a town in south Bénin. Adjaha has 8 villages: Adjaha, Konho, Cotocoli, Kpovidji, Seho-kondi, Todjonukoin, Tokpa-monoto, and Tokpa-Ayizo. Different races are living in Adjaha like Pedah, Fon, Kotafon, and Aïzo. Adjaha is located at the center of Grand-popo region.