Petritsi (Greek: Πετρίτσι) is a former municipality in the Serres regional unit, Greece.

Since the 2011 local government reform it is part of the municipality Sintiki, of which it is a municipal unit,[2] with a population of 3,900 (2021).

[3] The seat of the municipality was in Neo Petritsi.

The settlement is served by Petritsi railway station on the Thessaloniki-Alexandroupoli line, with daily services to Thessaloniki and Alexandroupolis.

This Central Macedonia location article is a stub.