Edithburgh is a small town on the south-east corner of Yorke Peninsula situated on the coastline of Salt Creek Bay, in the state of South Australia. Edithburgh is about 50 km (31 mi) west of Adelaide across Gulf St Vincent, but 226 km (140 mi) away by road.

Gulf St Vincent, sometimes referred to as St Vincent Gulf, St Vincent's Gulf or Gulf of St Vincent, is the eastern of two large inlets of water on the southern coast of Australia, in the state of South Australia, the other being the larger Spencer Gulf, from which it is separated by Yorke Peninsula. On its eastern side the gulf is bordered by the Adelaide Plains and the Fleurieu Peninsula.