Göztepe Tumulus in the Black Sea province of Karabük’s Safranbolu distric - ancient Paphlagonia is a bulial mound dates back to the Middle Phrygian period and is considered to be the only Phrygian tumulus in the region.
See:
- Şahin Yıldırım, A Great Tumulus from Paphlagonia, Settlements and Necropoleis of the Black Sea and its Hinterland in Antiquity Select papers from the third international conference ‘The Black Sea in Antiquity and Tekkeköy: An Ancient Settlement on the Southern Black Sea Coast’, 27-29 October 2017, Tekkeköy, Samsun, 2019
- http://www.hurriyetdailynews.com/excavations-nearing-an-end-in-safranbolu-.aspx?pageID=238&nID=99851&NewsCatID=375
- http://www.megalithic.co.uk/article.php?sid=44856