| Official Name: | Adeiso |
| Settlement Type: | Town |
| Pushpin Map: | Ghana |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location of Adeiso in Eastern Region |
| Subdivision Type: | Country |
| Subdivision Name: | Ghana |
| Subdivision Type1: | Region |
| Subdivision Name1: | Eastern Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Upper West Akim |
| Government Type: | DCE- Assembly |
| Unit Pref: | Imperial |
| Population As Of: | 2012 |
| Population Total: | — |
| Population Blank1 Title: | Ethnicity |
| Population Blank1: | Akan people |
| Population Blank2 Title: | Demonym |
| Timezone: | GMT |
| Timezone Dst: | GMT |
| Coordinates: | 5.7928°N -0.4886°W |
| Elevation M: | 60 |
| Postal Code Type: | Ghana Post GPS |
| Postal Code: | EV |
| Area Code: | +233 34 31 |
Adeiso is capital of the Upper West Akim district of the Eastern Region of Ghana.[1]
Adeiso is located just north of the southern border of the Eastern Region. Nsawam, capital of the Nsawam Adoagyire municipal district is located to the east. To the northwest is Asamankese, capital of the West Akim Municipal District and to the west are Akroso. To the southwest is Bawjiase in the Assin North District of the Central Region and to the south east, Amasaman, capital of the Ga West Municipal District in the Greater Accra Region.
The Inter-Regional Highway 1 which runs from Mankessim in the Central Region, passes eastward through Adeiso where it intercepts the National Highway 6 at Nsawam before continuing further east to Aburi in the Eastern Region where it meets the National Highway 4 which runs north from Accra to Bunso.