Akiba:F is run by the Japanese Red Cross Society
. Their mission statement is to bridge peoples life's and the future together.
Get off at Akihabara station and exit at the Electric town entrance. Dont walk towards the Radio Kaikan but the other way and lookup - you will see the logo for Akiba:F on the building.
The address is:-
5th Floor Asakaze Building, 1-16-9 Soto Kanda, Chiyoda-ku, Tokyo