 Verenahof (also known as "Büttenharter Hof" or "Verenahöfe") was a German exclave in Switzerland, administratively part of the German town of (which is now part of the town of Tengen).Geographically, it was separated from Wiechs am Randen by a 200–300-metre wide strip of Swiss territory.By 1964 a treaty was concluded between Germany and Switzerland, which entered into force on 4 October 1967.