As Russia’s war against Ukraine grinds on, another frozen post-Soviet conflict is quietly moving back into focus: Transnistria.
The narrow separatist strip of land wedged between Moldova and Ukraine has long existed in geopolitical limbo – formally part of Moldova, effectively controlled by pro-Russian authorities and protected by a permanent Russian military presence since the early 1990s.
For years, the region was treated by much of Europe as unstable, unresolved, but largely dormant. Russian ruler Vladimir Putin’s May 15 decree simplifying access to Russian citizenship for Transnistrian residents has changed that.
The measure eliminates requirements such as years of residence in Russia, language exams, and testing on Russian history and legislation.
Weaponizing passports
Russian passportization has long functioned as a geopolitical instrument.
Moscow distributes passports in territories it considers part of its sphere of influence, later invoking the need to “protect Russian citizens” as both political justification and strategic leverage – and, in some cases, as a precursor to invasion.
Russia used this model in Abkhazia and South Ossetia before the 2008 war with Georgia. It repeated the strategy in occupied Donbas after 2019. Following the full-scale invasion of Ukraine in 2022, Russian citizenship became effectively mandatory across occupied territories, where residents often cannot work, access healthcare, study, or even exercise parental rights without Russian documents.
For Ukraine, Transnistria has been a persistent security concern since 2022.
Transnistria is different in one important respect: Most residents who wanted Russian passports already have them. Estimates suggest that between half and two-thirds of the region’s population possesses Russian citizenship.
That means the decree is not primarily about adding new citizens, with both Moldovan President Maia Sandu and Ukrainian President Volodymyr Zelensky interpreting the move as part of a broader strategic message from Moscow.
Sandu described it as a potential tool for replenishing Russia’s mobilization pool amid mounting wartime losses in Ukraine.
Zelensky framed it differently: as a sign that Moscow’s ambitions extend well beyond the Donbas.
“This is a very specific step. It means not only that Russia is looking for new soldiers in this way, because citizenship implies military obligations. It is also Russia designating the territory of Transnistria as effectively its own,” he said.
Losing its ‘special status’
For Ukraine, Transnistria has been a persistent security concern since 2022.
Ukrainian intelligence previously warned that Russia had increased activity in the region, including alleged drone-related infrastructure and training facilities.
The fear in Kyiv is not necessarily that Transnistria could become a full-scale second front. Russia’s military capabilities in the region remain limited and geographically isolated.
Rather, the concern is that the region could serve as a destabilization mechanism – politically, psychologically, economically, or through hybrid operations targeting southern Ukraine and neighboring Moldova.
Transnistria sits near Ukraine’s Odesa region and close to the Danube corridor, a strategic export artery through which Ukraine has shipped hundreds of millions of tons of goods since the beginning of the war.
At the same time, Moldova itself has begun changing its approach to the separatist region.
For decades, negotiations centered around some version of a “special status” for Transnistria within Moldova. More recently, however, Chisinau has started moving away from that framework.
Transnistria also allows Moscow to overload the European agenda.
The new Moldovan approach focuses less on political symbolism and more on technocratic reintegration: economic harmonization, tax integration, customs policy, infrastructure, and gradual demilitarization.
The European Union appears increasingly supportive of this strategy.
During a recent visit to Chisinau, EU foreign policy chief Kaja Kallas said the withdrawal of Russian troops from Transnistria should become part of Europe’s demands in future negotiations with Moscow, as the region is increasingly viewed through the lens of the continent’s security architecture.
A potential bargaining chip
Moscow, however, appears determined to keep the issue framed in military and geopolitical terms rather than technocratic ones.
It may seek to use Transnistria as both a bargaining chip and a pressure tool. Moscow could signal that it is willing to discuss the withdrawal – or non-withdrawal – of its Operational Group of Russian Forces (OGRF) in exchange for concessions regarding the Donbas, Zaporizhzhia, or Kherson, while continuing to play the “protection of Russian citizens” card.
Transnistria also allows Moscow to overload the European agenda.
For a long time, both Russia and the United States were effectively opposed to a full-fledged EU role at the negotiating table over ending the war. Now Washington’s position has shifted somewhat. For the Kremlin, this creates an opportunity to play its assets within a new geopolitical configuration while simultaneously testing the EU’s ability to maintain a unified line.
Recurrent saberrattling also matters.
Since 2022, some in Ukraine have floated the idea of liberating Transnistria from Russian forces, with certain commentators even encouraging Kyiv to take the step in order to secure an “easy victory” that would interfere with Moscow’s aspirations to build a land corridor to Transnistria through southern Ukraine.
The viability of such a scenario is highly questionable, given Ukraine’s limited mobilization resources and the need for Chisinau’s approval to enter the region.
Still, the military aspect should not be downplayed.
Just days before Putin’s passport decree, Russia’s State Duma approved legislation expanding presidential authority to deploy Russian armed forces abroad for the “protection of Russian citizens” – language that closely mirrors justifications previously used in other conflicts.
Russian diplomats simultaneously intensified contacts with Transnistria’s de facto authorities, publicly discussing “peacekeeping” and Russian-Transnistrian cooperation.
Elections looming
Russia’s upcoming parliamentary elections, scheduled for September 2026, also play a role.
Passport decrees are inexpensive, visually effective, and ideologically familiar.
They will be the first since the launch of the full-scale invasion. The Kremlin enters that cycle facing economic stagnation, growing social fatigue, and the gradual exhaustion of wartime mobilization narratives.
Although the outcome of these elections is largely predetermined, given their non-democratic nature and the role of other parties as Potemkin opposition, symbolic demonstrations of Russian influence abroad still carry domestic political value – especially when it comes to turnout, which is typically significantly lower in parliamentary elections than in presidential ones, often by around 20 percentage points.
Passport decrees are inexpensive, visually effective, and ideologically familiar. They reinforce the narrative that Russia continues expanding and protecting the so-called “Russian world” despite sanctions, isolation, and battlefield costs.
This especially matters given the scale of drone attacks deep into Russian territory that Ukraine has ramped up in recent months, impacting not just oil refineries but also civilians, including in the pivotal Moscow region.
Given the widespread frustrations, further fuelled by a lack of internet access, the Transnistrian question could well become one of the central narratives for Putin to preserve his image of a “strong leader.”