A 4.2-magnitude earthquake was felt in the Greek tourist area of Leptokaria, where hundreds of Bulgarians and Serbs are vacationing at the moment.
There are no reports of casualties, several of the older buildings have cracked walls, BNR specifies.
According to hoteliers, many of the tourists remained on the beach after the earthquake.
The Athens Institute of Geodynamics reports secondary, weaker tremors.