Bulgaria, Hungary, Spain: NATO's Southern Flank Reshuffled in a Week
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In six days, NATO's southern flank has been reshuffled. A pro-Russian ally has fallen (Hungary), another has taken power (Bulgaria), and a third is threatened with expulsion (Spain).
In six days, NATO's southern flank has been reshuffled. On April 21, Rumen Radev won the elections in Bulgaria with a margin that polls had not predicted ([see our analysis](/fr/sujets/bulgarie-radev-elections-prorusse-20260421)). On April 23, Hungary under Peter Magyar lifted its veto on a €90 billion loan for Ukraine ([see our analysis](/fr/sujets/ue-debloque-90-milliards-ukraine-hongrie-sanctions-20260423)). On April 25, the Pentagon threatened to suspend Spain from NATO.
The Bulgarian Shift
Bulgaria (6.5 million inhabitants, €102 billion GDP) has been a NATO member since 2004 and an EU member since 2007. Radev, the outgoing president who secured a third term, has consistently blocked military aid to Ukraine, refused to deliver Soviet-made ammunition that Kiev desperately needed, and maintained contacts with Moscow that Sofia has never denied.
Romanian (Digi24) and Greek (Ekathimerini) media are covering the election from a security angle: Bulgaria controls 378 km of the EU's external border with Turkey and hosts NATO bases used for monitoring the Black Sea.
Radev's victory comes 10 days after Orban's fall in Hungary. The timing has a substitution effect: the pro-Russian axis in Europe loses its central pillar (Budapest) but gains a Balkan relay (Sofia). Bulgaria does not have Hungary's veto power in the European Council, but Sofia can slow down arms transfers passing through Balkan routes and complicate NATO logistics in the Black Sea.
The Hungarian Shift
In contrast, Magyar lifted Hungary's veto on the €90 billion loan for Ukraine – the first strategic decision of its government. The unlocking is conditional on a series of reforms Brussels demands in exchange for the release of €35 billion in cohesion funds. Magyar needs these funds to stabilize an economy where public debt has reached 73% of GDP and the forint has lost 18% of its value since 2022.
Ukrainian media (Ukrainska Pravda) have covered the unlocking as a victory. Serbian media (N1) note that the post-Orban era leaves the Balkans without a protector in Brussels – Serbia, Montenegro, and Bosnia lose the interlocutor that restrained European demands on the rule of law.
Spain completes the picture. Madrid is neither pro-Russian nor anti-NATO – but the Sanchez government has refused to participate in the war against Iran, closed its airspace, and reaffirmed this position despite American threats. The Pentagon crossed a threshold on April 25 by publicly invoking the suspension of Spain from NATO – a legally impossible measure according to the founding treaty, as a NATO official cited by TIME reminded.
The Lebanese context
This European reshuffling occurs in parallel with an escalation in Lebanon. Turkey has condemned Israel's land operation in Lebanon as 'genocidal and collective punishment policies' (source: Wikipedia, 2026 Lebanon war). France, Canada, Germany, Italy, and the United Kingdom have jointly published a statement expressing their 'grave concern' and calling for an 'immediate de-escalation' (source: Wikipedia, 2026 Lebanon war). Netanyahu has ordered the Israeli army to expand the buffer zone in southern Lebanon (source: Le Monde). This escalation fuels the fracture within NATO: European allies who refuse to support the war in Iran also refuse to condone the expansion of the Israeli buffer zone.
Meloni completes the picture
On April 20, Trump called for oil sanctions against Russia. Meloni publicly broke with Washington – a first. Italy, which imported 30% of its Russian gas in 2021, has diversified towards Algeria and Azerbaijan at a higher cost. A return to cheap Russian oil would cancel out the substitution contracts signed in 2022-2023. Meloni defends the coherence of sanctions to protect €40 billion in transition energy investments.
The net result for NATO in one week: a pro-Russian ally falls (Hungary), another takes its place (Bulgaria), a third is threatened with expulsion (Spain), and a fourth breaks with Washington (Italy). The alliance's southern flank – from Lisbon to Istanbul – is undergoing a total recomposition.
CriticalWarningAffectedNeutral
1
Bulgaria: Radev wins landslide election on April 21 -- Europe's most pro-Russian leader
2
Hungary: Hungarian PM vetoes €90 billion for Ukraine -- shift towards EU
3
Spain: Pentagon threatens to suspend Madrid from NATO on April 25
4
Italy: Meloni breaks with Trump over Russian sanctions on April 20
5
Turkey condemns Israeli operation in Lebanon as 'genocidal' -- rift widens
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