Tettnang is a town in the Bodensee district in southern Baden-Württemberg in a region of Germany known as Swabia.
It lies 7 kilometres from Lake Constance. The region produces significant quantities of Tettnang hop, an ingredient of beer, and ships them to breweries throughout the world.
Wikipedia https://en.wikipedia.org/wiki/Tettnang
Official Website https://www.tettnang.de/
Coordinates 47°40'17.961" N 9°35'20.817" E