Disambiguation evidence for Margraviate of Istria via surface form
"Duchy of Istria"
Triples (1)
Triples where some other subject referred to this entity
as "Duchy of Istria".
Byzantine Exarchate of Ravenna
→
subdivision
→
"Duchy of Istria"
ⓘ
↳ resolves to Margraviate of Istria