Port Augusta is the fifth most populous city in South Australia after Adelaide, Mount Gambier, Whyalla and Murray Bridge. It is a seaport and railway junction city located on the east coast of the Eyre Peninsula in South Australia and is located at the head of the Spencer Gulf, 322 km north of the state capital. Other major industries include electricity generation. It is a natural harbour which was founded on 24 May 1852 by Alexander Elder and John Grainger who selected the location for the port. Mr. Grainger was a member of Government from Adelaide.