Disambiguation evidence for Sea Garden of Varna via surface form

"Open-air theatre in the Sea Garden of Varna"

Triples (1)

Triples where some other subject referred to this entity as "Open-air theatre in the Sea Garden of Varna".

International Ballet Competition Varna → venue →
"Open-air theatre in the Sea Garden of Varna"
↳ resolves to Sea Garden of Varna
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