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We collaborate across borders to strengthen the Baltic Sea region’s sustainability and competitiveness.

The Nordic Archipelago Cooperation (NSS) is a cross-border collaboration between authorities and regions in archipelago areas in Sweden and Finland, as well as Åland.

Together, we work for sustainable development, local vitality, and the archipelago of the future.
Cross-border cooperation

Cross-border cooperation

The Nordic Archipelago Cooperation (NSS) is a cross-border collaboration between authorities and regions in the archipelago areas of Sweden and Finland, including Åland.

INCLUDES:
Sweden: Stockholm, Uppsala, Södermanland, and Östergötland counties
Finland: Southwest Finland, Uusimaa, and Kymenlaakso
Autonomous region of Åland

Common challenges – in a shared region

Common challenges – in a shared region

We operate in a shared geographical and geopolitical area, where cross-border cooperation is essential.

NSS focuses on five key areas:

  1. Organizational form
  2. Anchoring and visibility
  3. Green transition
  4. Civil preparedness
  5. Nordic cooperation

 

Together, we face common challenges such as climate change, security, and sustainable development.

Through all of this, NSS contributes to realizing the vision of the Nordic Council of Ministers:
“The world’s most sustainable and integrated region by 2030”

Towards a new organizational form – EGTC

Towards a new organizational form – EGTC

NSS has initiated the process of forming an EGTC (European Grouping for Territorial Cooperation) – a step towards a stronger and more long-term organizational form for cross-border collaboration. The work began in 2024 with broad anchoring among the members. At our most recent council meeting in 2025, the board was tasked with advancing the process and laying the foundation for the future cooperation in the region.

An EGTC gives NSS its own legal status within the EU, the ability to apply for project funding directly, and increased visibility in both Nordic and European contexts. It creates better conditions for working together on climate, preparedness, infrastructure, and sustainable development – across national borders.

 

Regions4Climate – collaboration for climate adaptation

Regions4Climate är vårt hittills största projekt och samlar 12 europeiska regioner i ett gemensamt arbete för att stärka motståndskraften mot klimatförändringar. Projektet fokuserar på att utveckla, testa och implementera regionala planer för klimatanpassning och långsiktig omställning – med lokala lösningar i ett europeiskt sammanhang.

Besöksnäringens potential i skärgårdarna

Besöksnäringens potential i skärgårdarna

Åbolands skärgård och närliggande åländska kommuner besöktes av 3,9 miljoner besökare år 2020. Åbolands och Ålands skärgårdar utgör en viktig del av regionens samlade attraktivitet, framför allt ur ett besöksnäringsperspektiv. Besöksnäringens potential i skärgårdarna
Östersjöns interna fosforbelastning

Östersjöns interna fosforbelastning

Näringsutsläpp kulminerade på 1970–80-talen, men övergödningen fortsätter. Detta ledde till bildandet av HELCOM med alla Östersjöländer. Avslutade projekt
Circular water challenge

Circular water challenge

Det här projektet beskrev vattenresurser, verkliga vattenbehov och hur vatten kan sparas på sju öar i Östersjön. Projektet omfattar öarna Oaxen, Sandhamn, Möja, Brändö, Kökar, Korpo och Örö. Avslutade projekt