The Three Seas Initiative (3SI) is a cooperation platform of EU member states located between the Baltic, Adriatic and Black Seas that strengthens North–South connectivity in three domains:
A landmark publication celebrating 10 years of the Three Seas Initiative
— capturing key insights, outcomes, and strategic directions
from the 2025 jubilee edition in Warsaw.
Energy. Digital. Transport. Innovation. Investment.
All in one report shaping the future of the Three Seas region.
Across two days, partners and participants as varied as Google Cloud, MOL, Synthos Green Energy, the Atlantic Council, the Association of Belarusian Business Abroad, the Japan Bank for International Cooperation and the Selena Group converged on a remarkably consistent diagnosis. The Three Seas region — over 120 million people, combined…
28–29 April 2025 | Dubrovnik, Croatia The Three Seas Business Council is hosting a series of exclusive closed-door sessions — side events held alongside the Three Seas Initiative Summit and Business Forum in Dubrovnik. Five high-impact thematic discussions in a closed-door format offer a unique opportunity to engage directly with…
The Three Seas region has spent years making the case for itself. The numbers are compelling — 110 million people, a combined economy of $2.3 trillion, growing at twice the pace of Western Europe. But numbers alone do not move capital or build partnerships. What moves both is proof of…
We are pleased to announce that Beata Daszyńska-Muzyczka, President of the Three Seas Business Council, was officially appointed to the Economic Council to the President of the Republic of Poland on March 11, 2026, during a ceremony held at the Belweder Palace. This distinction carries significance not only on a…
On 27 February 2026, the Three Seas Business Council co-organised the 4th edition of the CEE Business Webinar Series, addressed to Japanese companies evaluating their strategic positioning in Europe. From the perspective of TSBC, the webinar provided an opportunity to present a structured overview of the European Union’s evolving strategic…
On 5–6 March 2026, TSBC took part in the 60 Million Congress — a global gathering of Polish and Polish-descended business leaders, investors, and public figures. The message we brought: the Three Seas region is one of Europe's most compelling investment stories, and the time to act is now. March…
Europe is entering a decade in which infrastructure will determine competitiveness, resilience and geopolitical relevance. For the Three Seas region, the challenge is not incremental improvement — it is structural acceleration. New transport corridors linking North and South. Energy systems capable of ensuring security and supporting transition. Digital networks strong…
Three Seas Business STEPS 2026 is a high-level conference dedicated to shaping the strategic future of the Three Seas region. Taking place on March 24, 2026 at Airport Hotel Okęcie in Warsaw, the event will convene business leaders, investors, policymakers, regulators, and international institutions to address the most pressing economic…
In Davos, during the Leaders Forum powered by Poland accompanying the World Economic Forum, the President of the Republic of Poland delivered a speech on the future of the Three Seas Initiative (3SI). In a strong, geopolitically grounded address, he stressed that with war raging beyond the EU’s eastern border and mounting…
We don’t just talk about regional transformation — we convene the people who make it happen.
At the Three Seas Business Council, business leaders, policymakers, and civil society come together to shape the future of Three Seas Region.
Through high-level forums, strategic partnerships, and real-world projects, we turn dialogue into impact — with transparency, trust, and results that matter.
Our network brings together key stakeholders, promoting synergies that translate into effective partnerships and impactful initiatives.
We prioritize professionalism and high standards, ensuring our community has access to essential resources and influential leaders.
Priority project pipeline: interconnection projects expanded from 48 (2018) to 143 (2024); multiple projects have been completed or made substantial progress (see: www.3seas.eu).
Built an investment pillar: the Three Seas Initiative Investment Fund (3SIIF) launched in 2019, with total size of committed capital of about $1.3bn for investments across the region.
Broadened participation: Greece joined as the 13th member (2023); in 2025 Albania and Montenegro became Associated Participants States, while Spain and Türkiye joined as Strategic Partners; updated Terms of Reference for Strategic Partners adopted (2025).
Connectivity execution: advance North–South transport corridors (rail/road/ports), energy interconnectors and storage, and secure digital backbones.
Capital mobilisation: strengthen the investment pillar and expand blended financing (EU instruments, DFIs, national funds, private capital).
Partnerships: deepen transatlantic and Indo‑Pacific economic cooperation (e.g., enhanced engagement with U.S. and Japan) to accelerate technology and project delivery.
Outcomes focus: turn summits and forums into delivery checkpoints, match investors with cross-border projects and drive milestones (tenders, FIDs, regulatory enablers) to keep policy-to-project continuity.
A presidential-level cooperation format of 13 EU member states located between the Baltic, Adriatic and Black Seas, focused on developing infrastructure in three areas: energy, transport, and digital.
Strengthening North–South connectivity, mobilizing investment, and enhancing the region’s security and competitiveness across energy, transport, and digital sectors.
13 EU states: Austria, Bulgaria, Croatia, Czechia, Estonia, Greece, Hungary, Latvia, Lithuania, Poland, Romania, Slovakia, Slovenia.
Associated Participating States: Ukraine and Moldova (since 2023), Albania and Montenegro (since 2025).
Strategic Partners: the United States, Japan, Germany, the European Commission; since 2025 also Spain and Türkiye.
Initiated in 2015 by the Presidents of Croatia (Kolinda Grabar-Kitarović) and Poland (Andrzej Duda) during a meeting of regional leaders held alongside the UN General Assembly in New York; the first summit was held in Dubrovnik in 2016.
A commercial infrastructure fund focusing on energy, transport, and digital in 3SI EU member states, backed among others by national development banks; declared total commitments are around $1.3 billion.
Portfolio examples include Cargounit (rail rolling stock, PL), Greenergy Data Centers (EE), BMF Port Burgas (BG), Enery (renewables, CEE) and R.Power (PV/BESS).
According to the 2024 status report: 143 projects in total, of which 89 are priority projects identified by the member states. More information: https://3seas.eu/about/progressreport.
No. 3SI is an informal cooperation platform of 13 EU member states in the Three Seas region; it is not an EU or NATO institution. Most 3SI countries are NATO members, but the initiative itself remains independent of both. Comparable regional formats include the Bucharest Nine (B9) and the Visegrad Group (V4).
No. 3SI membership is limited to EU member states. Non-EU countries may engage as Associated Participating States—currently Ukraine and the Republic of Moldova, and since April 2025 also Albania and Montenegro. Serbia is not a member.
Strategic Partners are the United States, Japan, Germany and the European Commission, (since 2024); Spain and Türkiye joined as strategic partners in 2025.
Via the TSBC hub: participation in TSBC events (including the Business Forum held alongside Summits), participation in sector networks, and partnerships for projects and investments, including public–private partnerships (PPPs).
Official Three Seas Initiative (3SI) documents (summit declarations, project lists, status reports) are published on 3seas.eu and via host governments’ official channels, including Presidential websites.
For Business Forum matters, 3seasbc.com provides regularly updated information and curated links; TSBC works with Presidents’ offices and embassies to surface authoritative sources.
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