Disambiguation evidence for Volga Bulgaria historical area via surface form
"Volga Bulgar state"
Triples (1)
Triples where some other subject referred to this entity
as "Volga Bulgar state".
Old Great Bulgar Khanate
→
successorPolity
→
"Volga Bulgar state"
ⓘ
↳ resolves to Volga Bulgaria historical area