Current district As of 12 January 2023, the areas that are covered by this district are as follows: •
Machida As part of the 2022 reapportionments, the remaining sections of
Tama were given to the new
30th district. As a result of this the 23rd district became the only district in
Western Tokyo to be composed of a single municipality.
Areas 2017–2022 Between the first redistricting in 2017 and the second redistricting in 2022, the areas covered by this district were as follows: •
Machida • Parts of
Tama • Sekido 5 (excluding 1-8 & 13-31), Sekido 6, Kaitori, Gouda, Wada, Mogusa, Ochikawa, Higashiterakata, Sakuragaoka 1-4, Hijirigaoka 1 (1-24, 35, Excluding 44), Umabikizawa 1-2, Sannoshita, Nakazawa, Karakida, Suwa 1-6, Nagayama 1-7, Kaitori 1-5, Toyogaoka 1-6, Ochiai 1-6 Chome, Tsurumaki 1-6, Minamino 1-3, Higashi Terakata 3, Wada 3, Atago 1-4 As part of the 2017 redistricting, part of
Tama was transferred to the
21st district.
Areas from before 2017 From the districts creation in 1994 and its first redistricting in 2017, the areas covered by this district were as follows: •
Machida •
Tama == Elected representatives ==