The trade show OHA – Regional Autumn Exhibition for Trade, Agriculture, Industry and Commerce takes place in Thun, Switzerland.


The frequency of the trade show is annual.
OHA is held at the venue THUN-EXPO.
OHA is open to the following types of visitors: The public.
The year of the tradeshow’s foundation is 1960.
Thun-Expo is the trade show organizer in charge of OHA.