Avinashi (previously known as Thirupukkoliyur) is a municipality in Tirupur district in the Indian state of Tamil Nadu. It is one of the fastest growing western suburbs of Coimbatore. Avinashi is one of seven taluks namely Udumalaipettai, Kangeyam, Dharapuram, Palladam, Madathukulam, Tiruppur, Avinashi tuluk of Tirupur district. Avinashi is on National Highway NH47, which now bypasses the town. It is a town with rich cultural heritage and also keeping up with the fast developments of the adjacent city.