Battlegroup 2026 – The largest Nordic airsoft milsim event
Battlegroup 2026 will take place in Finland on July 22–25, 2026, bringing together players from across the Nordic countries and beyond.
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Ehasa · Airsoft in 
Finland
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Airsoft events, stories worth living and the people who make them happen. Come to play. Come to create.
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What is Ehasa?
Ehasa is a company operating in the capital region, whose purpose is to organize annual airsoft events in Finland.
We are currently organizing the biggest events in Finland, and many enthusiasts of the sport know the reputation of Ehasa and have participated at least in one of our events. The cornerstone of our work is fast and active customer service, feedback-responsive event development, and ambition to always make events better for all of our participants.
Read moreWhat do we do?
We organise
Events
We generally organize two or three large airsoft events every year. Our annual main event is the international TSTOS milsim event lasting several days. TSTOS is usually attended in total by more than 700 people each year from several different countries.
List of events
We maintain
SERVICES
We maintain numerous services that help our players and also other event organizers. The most famous of these is Kuulaportti, which is a free service for players to attend events and an excellent tool for game organizers in managing events.
List of services
We have
FUN
We have been organising events with our core team since 2010, and we have decided that organising events should be fun. We also like to enjoy the results of our hard-earned voluntary work by organizing various game trips and other entertainment among our members.
Our social mediaNews
Airsoft Milsim event Battlegroup
Welcome to Battlegroup, the epic airsoft series by Ehasa, held in Finland! Known for its high-intensity, realistic military scenarios, Battlegroup brings together airsoft enthusiasts from Finland, Europe, and beyond for an unforgettable tactical experience. If you’re a fan of airsoft or military simulation games, Battlegroup offers an immersive adventure with complex missions, strategic teamwork, and […]
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