1) Thracian site 
Seuthopolis (Ancient Greek: Σευθόπολις) was an ancient hellenistic-type city founded by the Thracian king Seuthes III, and the capital of the Odrysian kingdom. The city was founded sometime from 325 BC to 315 BC. It was a small city, built on the site of an earlier settlement, and its ruins are now located at the bottom of the Koprinka R...