Jo-an is a seventeenth-century Japanese teahouse located in Inuyama, Aichi Prefecture. Jo-an is said to be one of the three finest teahouses in Japan and has been in its current location in Inuyama since 1972.
Jo-an was designated a National Treasure in 1951.
Wikipedia https://en.wikipedia.org/wiki/Jo-an
Address Japan
Coordinates 35°23'16.742" N 136°56'32.098" E