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Hirakawachō (平河町 Hirakawa-chō) is a district of Chiyoda, Tokyo, Japan, consisting of 1-chōme and 2-chōme. As of April 1, 2007, its population is 1,104. Note that Kanda-Hirakawachō, also located in the Chiyoda ward, is a completely different district. Hirakawachō's postal code is 102-0093.
Hirakawachō is located in the western part of the Chiyoda ward. It borders Kōjimachi to the north, Hayabusachō to the east, Nagatachō to the south, and Kioichō to the west. The Tokyo FM-Dōri Ave forms its northern boundary, the Aoyama-Dōri Ave forms its southern boundary, and the Prince-Dōri Ave forms its western boundary.
An exit of the Nagatachō Station is situated on the Aoyama-Dōri Avenue.