EU enlargement is back at the top of the EU’s political agenda as Russia’s war against Ukraine has transformed it from a bureaucratic process into a matter of European security.

This episode marks the launch of ECFR’s new RE-ENGAGE podcast series: The Neighbourhood, which will unpack how countries hoping to join the EU navigate political change and outside pressure, and what that means for Europe’s democracy and security.

In this episode, Mark Leonard speaks with Lykke Friis, co-chair of ECFR’s council, director of the Danish think-tank Europa, and former Danish minister, as European leaders gather for the European Political Community summit in Copenhagen. Together they discuss why Denmark has shifted to advocating for enlargement and why Europe’s future security may depend on bringing Ukraine and Moldova closer.

Is the EU ready for a new wave of member countries? Can enlargement be both geopolitical and merit-based? And what role will Denmark play in defining the EU’s next chapter?

Bookshelf:

Strength in members: How to rally EU enlargement for defence by Gustav Gressel, Nicu Popescu

Deutschland 1946: Das Wunder beginnt by Rüdiger Barth, Hauke Friederichs

Indignity: A Life Reimagined by Lea Ypi

This episode was recorded on October 2nd, 2025.

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