Euesa/Euaissa/Seioua/Siva according to Barrington Atlas, 2000, p. 992 - location is uncertain.
Yoğunhisar Mound located within the borders of Yozgat Province, and southeast of the village of Yozgunhisar. It measures approximately 150 x 60 meters and is 40 meters high. On the western slope of the mound, there are vaulted stone tunnels date to Hellenistic Period (most probably).
See:
- YOZGAT İL KÜLTÜR VE TURİZM MÜDÜRLÜĞÜ, https://yozgat.ktb.gov.tr/TR-92355/arkeolojik-sit-alanlari.html
- Yogunhisar, http://tayproject.org/TAYmaster.fm$Retrieve?YerlesmeNo=2930&html=masterEngDetail.html&layout=web