Isny im Allgäu is a town in south-eastern Baden-Württemberg, Germany. It is part of the district of Ravensburg, in the western, Württembergish part of the Allgäu region.
Isny was a Free Imperial City until the mediatisation of 1803.
Wikipedia https://en.wikipedia.org/wiki/Isny_im_Allgäu
Coordinates 47°41'33.24" N 10°2'21.131" E