Castlemaine Perkins is a brewery at 185 Milton Road, Milton, Brisbane, Queensland, Australia. It is a wholly owned entity of the Japanese-controlled Lion company. Operations began in 1878 and continue today. Castlemaine Perkins is the home of the XXXX beer brand.

Milton is a riverside inner suburb of the City of Brisbane, Queensland, Australia. In the 2021 census, Milton had a population of 3,144 people.