Azabu-Juuban is neighborhood in the Azabu district of Minato-ku, Tokyo.
It is Usagi's home as well as many of her friends homes and locations take place in Azabu-Juuban.
- Azabu meaning linen cloth
- Juuban meaning tenth or number 10
Naoko Takeuchi has spent a lot of time in the area around Azabu-Juuban and integrated those experiences into her story.