| Kareika | |
| Name Local: | Καρέικα |
| Type: | community |
| Coordinates: | 38.1°N 51°W |
| Elevation: | 45 |
| Periph: | West Greece |
| Periphunit: | Achaea |
| Municipality: | West Achaea |
| Municunit: | Movri |
| Population As Of: | 2021 |
| Pop Community: | 661 |
| Postal Code: | 250 05 |
| Area Code: | 26930 |
| Licence: | AX |
Kareika (Greek, Modern (1453-);: Καρέικα, also: Καράιικα - Karaiika) is a village and a community in the municipal unit of Movri, Achaea, Greece. The community consists of the villages Kareika, Gomosto, Karamesineika and Rachi. It is located north of the Movri hills, 3 km east of Sageika, 6 km southwest of Kato Achaia and 25 km southwest of Patras. The Greek National Road 9/E55 (Patras - Pyrgos) passes through the community.
| Year | Population village | Population community | |
|---|---|---|---|
| 1981 | - | 829 | |
| 1991 | 225 | - | |
| 2001 | 237 | 947 | |
| 2011 | 174 | 726 | |
| 2021 | 147 | 661 |
The population in 2021 by village: