Aikido is a modern Martial Art created by the Founder, Morihei Ueshiba. After the Founder’s passing, his son Kisshomaru Ueshiba was inaugurated as Aikido Doshu. At present, Moriteru Ueshiba has succeeded his father as Aikido Doshu. The Aikikai Foundation is an association that was established in order to support inheritance of Aikido created by the Founder, to train body and mind through Aikido and to promote Aikido. Today, Aikido has become established in 130 countries around the world. Aikido Hombu Dojo was built in 1931. Under Doshu, a great number of Shihan and Shidoin unite in their efforts to commit to the development and enhancement of practice as the center of Aikido.

In 1931, the Founder built a dedicated Aikido Dojo. This was a wooden building approximately 120 square meters (80 tatami mats) in size, called the Kobukan, located in present-day Wakamatsu-Cho, Shinjuku. In 1967 the original wooden structure housing the Aikido Hombu Dojo was replaced by a modern concrete building. In 1973 the building was modernized, and the fourth and fifth floors were added to the building. Aikido has become established in 130 countries, and under the direction of Doshu Moriteru Ueshiba, instructors carry on the spirit of Aikido which continues to grow throughout the world.