Victor Harbor is a town in South Australia on the south coast of the Fleurieu Peninsula, about 80 km south of the centre of Adelaide. The city is the largest population centre on the peninsula, with an economy based upon agriculture, fisheries and various industries. It is also a highly popular tourist destination, with the city's population greatly expanded during the summer holidays, usually by Adelaide locals looking to escape the summer heat. It is a popular destination with South Australian high school graduates for their end of year celebrations, known colloquially as schoolies.