Kropia (Greek: Κρωπία) is a municipality in East Attica, Greece and has a land area of 102.0 km2.[3][4] The soil is very fertile (something common in the Mediterranean) and many crops are grown on it, most importantly vineyards, olives, figs, pistachios, honey and vegetables. Its population was 30,817 at the 2021 census. The seat of the municipality is in the town of Koropi (pop. 19,164 in 2011). In descending order of population, its other villages are Kítsi (pop. 4,788), Agía Marína (3,765), Karellás (1,579), and Ágios Dimítrios (1,011).
^"ProspectusArchived 2010-03-31 at the Wayback Machine." Marfin Investment Group. 8 February 2010. Retrieved on 27 June 2010. "OLYMPIC AIR’s registered seat is located at the 1st km of Koropi-Vari Avenue and Ifaistou Str., in the municipality of Koropi, Prefecture of Attica."