The neighbourhood beyond one border: five countries that mattered more than expected

For most of the period after 1991, Ukrainian policy attention pointed east and west — toward Moscow and toward Brussels — with the five countries physically in between treated as transit territory rather than as relationships in their own right.

That was a mistake, and the correction has been forced rather than chosen.

Poland

The largest of the five relationships by a wide margin and now among Ukraine's most important overall. Poland is a major trading partner, the principal destination for Ukrainian labour migration, the main transit route to the rest of Europe, and the largest single provider of logistical capacity when the ports were closed.

The relationship is not without friction. Agricultural competition has produced genuine disputes — Polish farmers face direct competition from Ukrainian grain that was intended for third markets and ended up on the domestic one when the corridor closed. Border crossing capacity has been a recurring point of tension, including several haulier blockades.

Those disputes are the normal friction of a deepening economic relationship rather than a sign of its failure, and they are the kind of dispute that EU membership provides mechanisms to resolve.

Romania

Underrated for two decades and now central. Constanta is the largest port on the Black Sea and absorbed a very substantial share of Ukrainian grain exports when Odesa was closed. The Danube route through Izmail and Reni to Romanian waters was the other lifeline.

Romanian infrastructure investment in response — port capacity, rail upgrades, Danube dredging — is the most consequential regional infrastructure development of the period, and it changes the logistics map permanently.

Slovakia

Small in trade terms and disproportionately important in energy. The largest volume of Ukraine's gas reverse flow came through Slovakia, and the interconnection capacity there was the technical basis for Ukraine's exit from direct dependence on a single supplier.

Hungary

Covered separately in this archive. Transit route to the Balkans and the Adriatic, energy interconnection, and a minority question that has kept the political relationship difficult.

Moldova

The relationship most often overlooked and structurally the closest. Shared language communities, deeply integrated infrastructure, a common transit interest toward Romania and the EU, and a parallel accession process that has moved in step since 2022.

The Danube ports and the Odesa–Chisinau–Bucharest corridor make the two economies more interdependent than either publicly acknowledges.

The general point

The lesson generalises well beyond Ukraine. A country that organises its external relationships around two distant poles and neglects its immediate neighbours has a fragile position, because the neighbours are the ones who determine what physically reaches the world.

Every alternative export route, every energy interconnection, every relocation destination and every migration flow of the past decade ran through one of these five countries. They were the redundancy that made the rest survivable, and none of it was planned.

For a business, the practical version is simpler: your Ukrainian logistics plan is actually a Polish, Romanian, Slovak, Hungarian or Moldovan logistics plan, and it should be built with the same care.

Related in this archive

• Ukraine and Kazakhstan: two post-Soviet economies that diverged
• Why an economy this size should want foreign capital, stated without the slogans
• Import quality: the reputation problem and the standards system that fixed it
• Ukraine Annual Review 2010: recovery on two channels

For twenty years it was not only the state that treated these five countries as second tier; most companies, mine included, had built their routes eastward rather than west. After 2014 we all learned a new map at once, and the learning had a price: a new customs agent, a new haulier, a new bank. Neighbourhood, it turns out, is not a relationship you build after a crisis starts.