Orvilos is a mountain range in Macedonia, on the borders with Bulgaria. In the ancient times, it is first mentioned by Herodotus and then by Arrian. It was the field of several battles from the Byzantine Times to the Balkan Wars.
Orvilos is a mountain range in Macedonia, on the borders with Bulgaria. In the ancient times, it is first mentioned by Herodotus and then by Arrian. It was the field of several battles from the Byzantine Times to the Balkan Wars.
