Edinburgh ' (34°42′S 138°37′E) is a northern suburb of Adelaide, in South Australia. It is an industrial suburb dominated by RAAF Base Edinburgh and DSTO Edinburgh. In addition, there are a number of Defence contractors, and other industries on land no longer required by the Department of Defence. Adelaide is the capital and most populous city of the Australian state of South Australia, and is the fifth largest city in Australia, with a population of over 1. ... Motto: United for the Common Wealth Nickname: Festival State Other Australian states and territories Capital Adelaide Government Governor Premier Const. ... RAAF Base Edinburgh is a Royal Australian Airforce base in the northern suburbs of Adelaide, South Australia. ... The Defence Science and Technology Organisation (DSTO) is a branch of the Australian Department of Defence which researches and develops technologies for use in the Australian Defence Industry. ...