Calga is a suburb and locality in the Central Coast region of New South Wales, Australia, located 62 kilometres (39 mi) north of Sydney. It is part of the Central Coast Council local government area.
History
Calga lies within the traditional lands of both the Darkinjung and Kuringgai peoples, and its name is an Aboriginal word meaning "the mouth". The locality's main feature is the state heritage-registered Aboriginal women's site, which includes the site of a sandstone amphitheater. ==Population==
Population
As of the 2021 Census, Calga had a population of 134 people. 79.1% of people were born in Australia, and 88.1% spoke only English at home. ==Heritage listings==