MIO Olten Fair
Aarauerstrasse, Olten, Switzerland 18-20 Sep 2026 Ended
MIO – Messe in Olten: Celebrating Regional Commerce and Culture The MIO – Messe in Olten has earned its reputation as the largest and most established public trade fair in the canton of Solothurn. Since its inaugural event in October 1946, the fair has become a cherished annual tradition, taking…
