(Κρωπία) is a municipality in East Attica
. It is located southeast of Athens at the fringes of the Athens metropolitan area
, and has a land area of 102.000 km². Its population was 25,325 at the 2001 census. The seat of the municipality is in the town of Koropi
(pop. 15,860). In descending order of population, its other villages are Kítsi (pop. 3,204), Agía Marína (2,671), Ágios Dimítrios (1,956), and Karellás (1,634).