"Computer City" (コンピューターシティ, Konpyūtā Shiti) is a song recorded by Japanese girl group Perfume for their first greatest hits compilation, Perfume: Complete Best (2006). It was written, composed, arranged, and produced by Japanese musician and Capsule member Yasutaka Nakata. The single also included the B-side track "Perfume", which appeared on the parent album. It premiered on January 11, 2006 as the second single from the album in Japan. It was also released on June 19, 2013 through European and Oceanic regions, and June 25 in North America. Musically, "Computer City" is a technopop song, influenced by electronic music.

Upon its release, the track garnered generally favourable reviews from music critics. Some critics highlighted the song as one of Perfume's best singles, and commended the composition. It achieved minor success in Japan, peaking at number 45 on the Oricon Singles Chart and 35 on TBS' Count Down TV chart. An accompanying music video was shot by Kazuaki Seki; it features the girls performing the song in a black room. With additional promotion through Japanese commercials, the song has been performed on several concert tours by Perfume, including their 2007 Seventh Heaven tour and 2008 Game Tour.

"Computer City" was written, composed, arranged, and produced by Japanese musician and Capsule member Yasutaka Nakata. Alongside this, it was recorded, mixed, and mastered by Nakata. The song was recorded in 2005 at Contemode Studios, Shibuya, Tokyo by Nakata. Alongside the album’s remaining material, "Computer City" has partial rights by Nakata through Yahama Music Communications. The single also included the B-side track "Perfume", which also appeared on the parent album. It premiered on January 11, 2006 as the second single from the groups first greatest hits compilation, Perfume: Complete Best (2006). The single was also released on June 19, 2013 through European and Oceanic regions, and June 25 in North America.

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