Rymnio is a village located in Aiani

Aiani

Aiani or Kalliani is a town and a former municipality in the Kozani peripheral unit, Greece. Since the 2011 local government reform it is part of the municipality Kozani, of which it is a municipal unit. It lies 20 km south of Kozani city...

 municipal unit, Kozani peripheral unit, in the Greek

Geography of Greece

Greece is a country located in Southern Europe, on the southern end of the Balkan Peninsula. Greece is surrounded on the north by Bulgaria, the Republic of Macedonia and Albania; to the west by the Ionian Sea; to the south by the Mediterranean Sea and to the east by the Aegean Sea and Turkey...

 region of Macedonia

Macedonia (region)

Macedonia is a geographical and historical region of the Balkan peninsula in southeastern Europe. Its boundaries have changed considerably over time, but nowadays the region is considered to include parts of five Balkan countries: Greece, the Republic of Macedonia, Bulgaria, Albania, Serbia, as...

. It is situated on the south shore of the Aliakmon River

Haliacmon

The Haliacmon is the longest river in Greece, with a total length of . Haliacmon is the traditional English name for the river, but many sources cite the formerly official Katharevousa version of the name, Aliákmon...

 at an altitude of 330 meters. The postal code is 50500, while the telephone code is +30 24640. As of the 1991 census, the population was 278.

The town of Kozani

Kozani

Kozani is a city in northern Greece, capital of Kozani regional unit and of West Macedonia region. It is located in the western part of Macedonia, in the northern part of the Aliakmonas river valley...

, seat of the prefecture, is 29 km from Rymnio.