Pteri (Greek: Πτέρη) is a Greek village in the Achaia prefecture. Pteri located about 15 km south of Aigio, about 45 km east of Patras, west of Diakopto and northwest of Kalavryta. Pteri is part of the municipality of Aigio and had a population of 618 (24 for the village proper) in 2001. Pteri is linked with the GR-31 linking Aigio and the Patras-Kalavryta Road.
* Aigio, northeast
Pteri is situated in a valley area. Farmlands are within the village, the forests dominate the area as well as grasslamds and mountains. It is nearly located between the Selinountas and the Vouraikos rivers.
The village was ruled by the Ottoman Turks with some interruption by the Venetians in the mid to late-15th century and the mid to late-16th century. Kounina was finally Greek after the Greek War of Independence of 1821, right after the signing of the declaration of independence.
After World War II and the Greek Civil War, much of the population left for larger towns and cities especially the nearby Patras. The population declined since 1981.
Houses were stone-built until the 1950s and did not surpass modern-style homes until the 1980s. It was linked with pavement in the 1980s. Most of the homes are abandoned today.
Pteri was shattered by a forest fire that began on Wednesday July 25 and ended on July 28 and brought catastrophic fire to the area, flames were bursting as high as 30 m and smoke as high as 600 m. About 20 to 30% of the village wer burnt with some of their properties burnt. One fire was on a mountain slope that created a smoke enough to cover the area and darken the area tan-brown. Tens of fire trucks, helicopters and planes along with firefighters battled the fire in order to end. Several farms and crops were ruined, roads were also shut down. The fire started in the afternoon hours and expanded to almost to burn about 80 to 90% of the area of Pteri. Residents were panicked on this wildfire. Hundreds to thousands of cattle were lost and about ten thousands trees were burnt down that created an economic and agricultural disaster that may take a couple of years to rebuilt. The fire slowed down a bit
Its main production are olives alond with fruits including watermelon, melon, figs and vegetables including corn, tomatoes, potatoes, onions, cucumbers and others as well as dairy, livestock and others in small numbers, much of the farlmands are mainly groves and vines. The majority of the population are based in agriculture as well as some other businesses.