Gembrook is a town in Victoria, Australia, south-east of Melbourne's Central Business District, located within the Shire of Cardinia local government area. Gembrook recorded a population of 2,350 at the 2016 Census.Gembrook is a popular destination for the residents of Melbourne as it is less than 1.5 hours drive from the city centre.HistoryGembrook was settled in 1873 for farming and timber; the surrounding countryside was suitable for both dairy and orchards. Timber provided income while farms were established. The name Gembrook came from the small gems that were found in small creeks and watercourses in the surrounding area.The Post Office opened on 5 October 1877.