---
title: "Bulgaria Blocs & Alliances | Model Diplomat"
description: "Every diplomatic bloc and alliance Bulgaria belongs to — and the allies, rivals, and neighbors that shape its votes."
url: "https://modeldiplomat.com/country/bulgaria/blocs-alliances"
---

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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](https://modeldiplomat.com/country/bloc/eu)

[27](https://modeldiplomat.com/country/bloc/eu)

[27-member political and economic union with a single market and shared institutions.](https://modeldiplomat.com/country/bloc/eu)

[+22](https://modeldiplomat.com/country/bloc/eu)

[NATO](https://modeldiplomat.com/country/bloc/nato)

[32](https://modeldiplomat.com/country/bloc/nato)

[North Atlantic Treaty Organization — 32-member transatlantic defensive alliance.](https://modeldiplomat.com/country/bloc/nato)

[+27](https://modeldiplomat.com/country/bloc/nato)

## Allies, rivals & neighbours

Allies

[United States](https://modeldiplomat.com/country/usa)[Germany](https://modeldiplomat.com/country/deu)[Greece](https://modeldiplomat.com/country/grc)[Romania](https://modeldiplomat.com/country/rou)

## Organisation memberships

Memberships

Organizations

3

UNUNmember · 1955

EUEUmember · 2007

NATONATOmember · 2004

[Back to Bulgaria profile](https://modeldiplomat.com/country/bulgaria)

Explore more on Bulgaria

[Treaties](https://modeldiplomat.com/country/bulgaria/treaties)[Background](https://modeldiplomat.com/country/bulgaria/background)[Politics & democracy](https://modeldiplomat.com/politics/bulgaria)