Aigio (Greek: Modern: Αίγιο, Ancient/Katharevousa: -on, Latin: Aegium) also, Egio or Egion is a town in northeast Achaea, Greece, that has a population of around 30,000, with quite a few squares, a bus terminal and a fountain downtown. Aigio is one of the oldest cities in Greece and the Balkans. Aigion is surrounded by trees in the north and cliffs in the northwest. The city can be accessed by GR-8A from the south and west with one full and one partial interchange, and has a rest area and is also bounded. Mountains neighbor the southern part. The town sits on arable land which covers over a quarter of the community. The mountains of the Panachaicus and Erymanthus are rarely seen. The commune was known as Vostitsa or Vostitza in the Middle Ages to the late 20th century.
There are squares, one closer to the hospital and a circle shaped-square slightly from the city hall are in the SW with some bushes and a fountain and is located on the old highway. The city has a hospital founded slightly west of the city and a rest area situated south of the city at GR-8A/E65. Residential houses are within and in the western part of Aigio.
A mid-1995 earthquake rumbled and damaged buildings in downtown core with a few casualties. In 1995, an earthquake shattered Aigio. It devastated the southwestern subdivision destroying houses.
Agricultural protests in February, 2004. It had blocked GR-8A. The protests lasted several days, and blockades were created and closed main highways for two days. It was followed by rioting in the groves and rioting at a building in the night. On February 4, 2004, riots over demanding wage hikes for farmers took place in the 172nd km interchange or the Aigio interchange, a sign, a 172nd km post facing the westbound lanes, some bushes were damaged as they clashed with the police. Another one a day later took place near the olive grove and trapped some people. Supertrucks were blocking the superhighway. On January 28, 2005, tractors from the rural areas near Aigio were blocking streets so the farmers can demand better wages. It happened between noon and afternoon hours.
Six days later on July 25 that was also a heatwave that staggered the southern and the southeastern portion of the continent, a larger fire consumed several villages in south of Aigio and includes Mavriki, Kounina, Paraskevi and Pyrgaki, Pteri and Koumari, it later spread to almost the entire municipality including Mamoussia, Ano Diakopto and Zachloritika outside the municipality, fires are almost entirely founded sporadically and burnt approximately one-third of the area. It rapidly consumed forests and pine trees especially the area of Dervenakia. It became the areas' worst fire in years and decades in the peninsula. Several firefighters, planes and helicopters battled the blaze that several were towering. The fire was seen in the Fokida prefecture but the haze was limited. Its smokes were towering and residents were panicking yet again. Hundreds of properties were damaged along with several farms. The fire slowed on July 28 and ended in the northwestern portions including Kounina and parts of Chatzi, it later ended in its entirety on July 29. Several more villages stopped its fires in central Aigialeia. It transformed a natural view into an ugly unpopular scenery. One report was that a house built on the hilltop saw its rooftop burnt and another one uphill and nearly surrounded with forests. The fire did not affect the villages of Dafnes, Valmitika, Temeni, the northwestern portion and the city of Aigio along with almost the entire plain.
| Year | Communal population | Change | Municipal population | Change |
|---|---|---|---|---|
| 1981 | 20,955 | - | - | - |
| 1991 | 22,178 | +1,223/+5.84% | 28,903 | - |
| 2001 | 21,255 | -923/-4.16% | 27,741 | -1,091/-3.77% |
| North: Gulf of Corinth | ||
| West: Sympoliteia | Aigio | East: Diakopto |
| South: Kalavryta, Leontio (independent commune) |