Asha () is a town and the administrative center of Ashinsky District in Chelyabinsk Oblast, Russia, located on the Sim River (a tributary of the Belaya), west of Chelyabinsk, the administrative center of the oblast. ###>Acha (en ) est une ville de l'oblast de Tcheliabinsk, en Russie et le centre administratif du raïon d'Acha.