City Resilience Hack in Tallinn, 24–25 September, 2026
Helsinki and partner cities have launched City Resilience Hackathon. A prize fund of 75,000 EUR will be shared among the best solutions. Also piloting opportunities are sought in partner cities. Apply by 10 September.

What: City Resilience Hack
When: 24–25 September, 2026
Where: Energy Discovery Center, Põhja pst 29, Tallinn, Estonia
Organisers: City of Tallinn and Tehnopol with partner cities Helsinki, Valencia, Dnipro and Lviv
More info and applications: https://www.tehnopol.ee/en/project/city-resilience-hack/
The cities from Finland, Estonia, Spain and Ukraine have joined forces to invite innovators to develop solutions that can help cities prepare better for rapidly emerging challenges.
City Resilience Hack is a two-day, on-site hackathon organised in Tallinn, Estonia, focused on developing and validating practical solutions to real urban resilience challenges. The working language of the event is English.
Who should apply?
Teams, startups and talents across IT, defence, business, data, cybersecurity, logistics, urban planning, health, UX and UI design.
Participants can apply as a team or individually. The aim is to build balanced, cross-sector teams capable of creating solutions that cities can pilot, scale and use.
Why should you join?
Participants will have the opportunity to:
- Work on real challenges from partner cities
- Develop and validate ideas in an intensive two-day format
- Receive support from dedicated mentors and domain experts
- Gain visibility in front of cities, experts and decision-makers
- Compete for a 75 000 EUR prize fund
- Build solutions with real piloting potential
Challenge areas
- Smart & connected crisis intelligence
- Personalised crisis readiness and communication
- Resilient critical systems and operational response
- Integrated health and social resilience
Event format
24 September, 09:00–21:00
Opening, idea pitching, solution development, validation and mentor checkpoints.
25 September, 09:00–19:00
MVP development, pitch training, final presentations to the jury and award ceremony.