BADEN, a city in the canton of Aargau, in Switzerland, which gives its name to a circle around it containing 54 townships, with 42 parish churches, 850 houses, and about 5950 inhabitants. The city is on the river Limmat, and near it are several warm springs of great medicinal celebrity, which induces crowds of visitors to repair to them in the appropriate season. It contains about 1650 resident inhabitants, who depend chiefly upon the annual visitors.