Mooroolbark is a suburb of Melbourne, Victoria, Australia, 37 km East of Melbourne's central business district, located within the Shire of Yarra Ranges local government area. Mooroolbark recorded a population of 23,059 at the 2021 census.

The Shire of Yarra Ranges, also known as Yarra Ranges Council, is a local government area in Victoria, Australia, located in the outer eastern and northeastern suburbs of Melbourne extending into the Yarra Valley and Dandenong Ranges. It has an area of 2,468 square kilometres (953 sq mi), of which 3% is classified as urban. In June 2018, it had a population of 158,173.