The Iztochna Mogila, one of the of Archaeological Complex near Karanovo is a Thracian Tomb discovered in 2008. It dates back to the first century AD. Tomb of Rhoemetalces III.
See:
- http://www.culturalprojects.org/l-en/press-info/p2-44-0.html
- https://www.ubb.bg/eng/lines-of-support/campaings/arheologicheskite-otkritija-v-karanovo
- https://rezervaciq.com/zabelejitelnosti/kompleks-iztochna-mogila-s-keranovo/943
- https://www.livius.org/pictures/bulgaria/karanovo/karanovo-tomb-of-rhoemetalces-iii-chariot-burial/