Vyroneia (Greek: Βυρώνεια, before 1924: Χατζή Μπεηλίκ - Chatzi Beilik[2]) is a town located in the municipal unit of Petritsi in the northwestern part of Serres regional unit, Greece.

[3] Vyroneia, then known as Hadji-Beylik, was a military base for the Greek army during the Second Balkan War.

The village was also used as a military base for male civilians who had been conscripted due to the general mobilisation of 1974.

The settlement has a station on the railway line from Thessaloniki to Serres and Alexandroupoli.

Near the train station is the National Aquarium of Vyroneia, the second in Greece after Rhodes.