Address in English:
Grand Maison Rokuban-cho 206
Rokuban-cho 6-20, Chiyoda-ku
Tokyo, Japan 102-008

Address in Japanese:
〒102-0085
東京都千代田区六番町6-20
グランドメゾン六番町206

We are located on the 2nd floor

Ichigaya Station

5 minute walk from JR Sobu Line (Exit 3)
7 minute walk from Nanboku Line(Exit 3)
5 minute walk from Yurakucho Line(Exit 3)
5 minute walk from Toei Shinjuku Line(Exit 3)

Yotsuya Station

6 minute walk from JR Chuo Sobu Line (Kojimachi Exit)
7 minute walk from Marunouchi Line (Exit 3)
7 minute walk from Nanboku Line (Exit 3)

Kojimachi Station

6 minute walk from Yurakucho Line (Exit 6)

There is a Tokyo Train app that will help both Apple and Android users.