Olten is a City in the homonymous municipality of Olten in the district of Olten in the canton of Solothurn in Switzerland.
Olten is within 30 minutes of Zurich, Bern, Basel, and Lucerne by public transport, and is a rail hub of Switzerland.
Despite the presence of numerous archaeological evidences of early habitation, Olten is first documented in 1201. It became important in the 13th century because of its bridge over the Aar River. This geographical fact has determined much of its history.