
The Croatian Parliament hosted the Parliamentary Summit of the Three Seas Initiative, entitled “Advancing the Three Seas Initiative: Vision, Responsibility, Partnership, on 24-25 March 2026. The Summit gathered Speakers and Deputy Speakers from the parliaments of the 3SI participating states, associated participating states, and the Initiative’s strategic partners, as well as special guests. The plenary session of the Summit took place at the National and University Library in Zagreb.
Press announcements and press releases

The Three Seas Initiative reaffirmed as a key framework for connectivity, security, and Euro-Mediterranean cooperation
Zagreb – The Parliamentary Summit of the Three Seas Initiative highlighted the Initiative’s increasingly important role as a strategic framework for strengthening Europe’s connectivity, security, and resilience, with an emphasis on expanding cooperation into the broader Euro-Mediterranean area.

Jandroković holds series of bilateral meetings ahead of Three Seas Initiative Parliamentary Summit
Zagreb – Croatian Parliament Speaker Gordan Jandroković held a series of bilateral meetings on Tuesday ahead of the Parliamentary Summit of the Three Seas Initiative, with counterparts from Romania, Turkey, Slovakia and Albania.