News Mayor confident town keeps title 13/06/2023 Facebook Twitter Email STILL ON TOP: Member for Mount Gambier Troy Bell and Mount Gambier Mayor Lynette Martin were confident Mount Gambier/Berrin would retain its title as South Australia's largest regional centre outside of Adelaide. Picture: FILE Charlotte Varcoe MOUNT Gambier/Berrin may have a competitor for the title of largest city outside of Adelaide with MiSubscribe or log in to read the rest of this content.