Iwama, Japan
Iwama is an important historical location from the development of Aikido. The former town has a famous dojo built by the founder of aikido, Morihei Ueshiba, who lived there from 1942 until his death in 1969. (Wikipedia)
For more information check out;
https://en.wikipedia.org/wiki/Iwama_dojo#The_Ibaraki_Dojo