is an upscale residential district of Chiyoda
. The district is located just east of Tokyo Imperial Palace
, and is home to the British Embassy. is a prestigious private secondary school and the only educational institution based in Ichibanchō.
The district borders Chiyoda (Tokyo Imperial Palace) on the west, Sanbanchō and Yonbanchō on the north, Nibanchō on the east, and Kōjimachi on the south.