Chillán conurbation or Gran Chillán (Greater Chillan) is a Chilean conurbation formatted for the communes of Chillan and Chillán Viejo in Diguillin Province in Ñuble Region. It has a population of 205,000 inhabitants according to the 2012 pre census. {{coord missing|Chile}}{{DEFAULTSORT:Chillan conurbation}}{{BíoBío-geo-stub}} 2 : Populated places in Ñuble Province|Metropolitan areas of Chile |