Most of the cities of the Swiss Mittelland and of the transverse Alpine valleys were originally settled by Celts. The Helvetii, one of the most powerful of the Celtic tribes, controlled much of the area between the Jura and the Alps.
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Strong Economy and Financial SectorSwitzerland has a highly developed economy that is largely based on its strong financial sector. The country is home to several of the world's largest banks, including UBS and Credit Suisse, as well as numerous insurance companies and wealth management firms.