Plympton Park is an inner south-western suburb of Adelaide 8 km from the CBD, in the state of South Australia and falls under the City of Marion.

It is bordered to the east by Marion Road, to the west by Park Terrace, to the south by Taranna Avenue and to the north by the Glenelg tram line.

The oldest parts of modern Plympton Park can trace their heritage back to the original subdivision of the area in the 1880s, when the Ryan family's farm was first subdivided.

This area, bounded by Marion Road, the Glenelg tram line and South Terrace, contains the oldest houses in the area, including one in Arthur Street that dates back to the 1880s, and one adjacent the tram line that can be dated back to the 1890s.

[citation needed] Further subdivision in the 1950s saw the establishment of properties in the southern portion of Plympton Park.