ARN Media Ltd. is a media and entertainment company. It operates through the following business segments: Australian Radio Network, HK outdoor and Digital Investments. The Australian Radio Network segment involves in Metropolitan radio networks. The HK Outdoor segment engages in billboard, transit and other outdoor advertising activities in Hong Kong. The Digital Investments segment includes interest on conversant media, emotive and equity accounted investments. The company was founded in 1988 and is headquartered in Macquarie Park, Australia.