The story
Borrowed from Japanese 足立(あだち) (Adachi).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: A special ward of Tokyo prefecture, Japan that is surrounded by (clockwise from north) Saitama Prefecture, Katsushika, Sumida, Arakawa, and Kita special wards. Full definition →
Borrowed from Japanese 足立(あだち) (Adachi).
Etymology from Wiktionary, CC BY-SA 4.0.