Kalfas
Kalfas is a village and a community in the municipal unit of Tritaia, southern Achaea, Greece. It is located in a mountainous area, 5 km southeast of Portes and 7 km southwest of Stavrodromi. The community consists of the villages Kalfas and Masouraiika. It suffered damage from the 2007 Greek forest fires.
Population
| Year | Population | Municipal district population |
| 1981 | - | 315 |
| 1991 | 300 | - |
| 2001 | 273 | 322 |
| 2011 | 111 | 140 |