Port Augusta is a small city in South Australia. Formerly a seaport, it is now a road traffic and railway junction city mainly located on the east coast of the Spencer Gulf immediately south of the gulf's head and about 322 kilometres (200 mi) north of the state capital. The suburb of Port Augusta West is located on the west side of the gulf on the Eyre Peninsula. Other major industries included, up until mid-2010s, electricity generation. At June 2015, the estimated urban population was 14,214.