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CountriesBulgariaBlocs & alliances

Updated Jun 10, 2026

Which blocs and alliances does Bulgaria belong to?

Every diplomatic bloc and alliance Bulgaria belongs to — and the allies, rivals, and neighbors that shape its votes.

Bloc memberships

EU27

27-member political and economic union with a single market and shared institutions.

NATO

North Atlantic Treaty Organization — 32-member transatlantic defensive alliance.

Allies, rivals & neighbours

Allies

Organisation memberships

Memberships

Organizations

3

UNUNmember · 1955

EUEUmember · 2007

NATONATOmember · 2004

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