Seuthopolis (Ancient Greek: Σευθόπολις) was an ancient hellenistic-type city founded by the Thracian king Seuthes III between 325–315 BC and the capital of the Odrysian kingdom. Its ruins are now located at the bottom of the Koprinka Reservoir near Kazanlak, Stara Zagora Province, in central Bulgaria. Several kilometres north of the city is the Valley of the Thracian Rulers where many magnificent royal tombs are located. Seuthopolis was not a true polis, but rather the seat of Seuthes and his…