(GREEK NEWS AGENDA) Koufonisia is a cluster of two islands, Kato (Lower) and Pano (Upper) Koufon
isi, in the Saronic Gulf, Greece. The islands are located in the Saronic Gulf, about 20 km south of the city of Piraeus. The islands are connected to the mainland by a bridge. The islands are part of the municipality of Piraeus.

The islands are a popular tourist destination