Laupen is a municipality in the Bern-Mittelland administrative district and its district capital, situated in the canton of Bern in Switzerland. Laup…Laupen is a municipality in the Bern-Mittelland administrative district and its district capital, situated in the canton of Bern in Switzerland. Laupen is first mentioned in 1130-33 as Loupa. In 1173 it was mentioned, in French, as Loyes. In 1352, it is recorded in Latin as Louppen.