Achinsk is a city in Krasnoyarsk (region) on the Trans-Siberian Railway.
You will almost certainly arrive via the Trans-Siberian Railway.
The next big stop to the east is Krasnoyarsk; to the west, Novosibirsk. Kemerovo and Tomsk to the west are reachable by branch lines from junctions Yurga and Taiga respectively.
Primary administrative division