- Country: Russia
- Population: 117,634
- Latitude: 56° 16.16' N (56.2694°)
- Longitude: 90° 29.96' E (90.4993°)
- Elevation: 207 m/679 ft. above sea level
- Time zone: Asia/Krasnoyarsk (UTC +07:00); DST not observed
- Alternate names: Áchinsk, Acinsk, Aĉinsk, Ačinsk, Açinsk, Ačinska, Ačinskas, ACS, Aczyńsk, Atchinsk, Atjinsk, Atschinsk, Atšinsk, Atsjinsk, Àtxinsk, Ачинск, Ачинськ, Горад Ачынск, آچینسک, أتشينسك, اچینسک, ਅਕਿੰਸਕ, アチンスク, 阿钦斯克, 아친스크
- Alternate names: ACS, Achins'k, Achinsk, Acinsk, Acinska, Acinskas, Aczynsk, Aczyńsk, Atchinsk, Atjinsk, Atschinsk, Atsinsk, Atsjinsk, Atxinsk, Atšinsk, Açinsk, Aĉinsk, Ačinsk, Ačinska, Ačinskas, Gorad Achynsk, a qin si ke, achinseukeu, achinsuku, achynsk, akisaka, atshyn
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