Where was the harp guitar made?

The harp guitar, a stringed instrument combining features of both the guitar and the harp, was primarily developed in Europe during the 19th century. Instruments resembling the harp guitar can be traced back to various regions, but it gained particular popularity in France and Germany. American luthiers also contributed to its evolution, especially in the late 19th and early 20th centuries. Today, harp Guitars are crafted worldwide by various instrument makers.