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Transnistria
A sliver of land on the Dniester that broke from Moldova and recognizes itself
Transnistria has its own president, parliament, army, border posts, and a ruble that circulates nowhere else, yet no member of the United Nations recognizes it, not even Russia, which has kept troops there since 1992. The self-proclaimed Pridnestrovian Moldavian Republic occupies a thin strip of land along the Dniester River, and Moldova regards it as part of its territory, formally the administrative-territorial units of the left bank of the Dniester. For three decades the arrangement stayed frozen, sustained by Russian gas supplied essentially free of charge. When that gas stopped flowing on January 1, 2025, the region's economic model went with it, and the question of its future became more pressing than at any time since the ceasefire.
The territory covers about 4,163 square kilometers, a ribbon roughly 400 kilometers long and in places only a few kilometers wide, pressed between the Dniester and the Ukrainian border. It is low, rolling steppe and river terrace, farmed for grain, sunflowers, fruit, and wine. Tiraspol is the main city, and Bender (Tighina) sits on the western bank under Transnistrian control. About 350,000 people live there, a roughly even mix of Russians, Moldovans, and Ukrainians. Its economy long rested on the Cuciurgan power plant, which sold electricity to Moldova, and on the Rîbnița steelworks. Russian forces, about 1,500 personnel, guard the Cobasna ammunition depot, one of the largest in Europe.
Fearing Moldova's turn toward Romania as the Soviet Union dissolved, local leaders on the left bank declared a separate republic in 1990. Fighting in 1992 killed several hundred people and ended in a ceasefire enforced by Russian, Moldovan, and Transnistrian peacekeepers. Talks in the 5+2 format, involving the OSCE, Russia, Ukraine, the EU, and the United States, stalled after Russia's full-scale invasion of Ukraine in 2022. The January 2025 gas cutoff brought blackouts and industrial shutdowns, and supplies resumed in February with EU-funded gas bought through Moldova. Chișinău, now negotiating directly with Tiraspol, presented a gradual reintegration plan in March 2026. Moldova's EU accession bid gives the outcome weight far beyond the river.