The Greater Cities Commission is an independent agency within the Planning and Environment portfolio of the NSW Government. They are pioneering the planning and coordination of Australia's first global multi-city region. Their mission is to deliver the benefits of global economic scale and local liveability for everyone residing within these cities.

The Commission acts as a vital link, connecting local councils, community groups, and state agencies to facilitate infrastructure planning, funding, and delivery. Key components of their work include the production of Discussion Papers, City Plans, and Region Plans. These documents serve as strategic blueprints for the development and growth of the region.

Additionally, the Commission is actively engaged in thought leadership, driving innovation and research to shape the future of the cities. Their ultimate vision is to create a globally leading multi-city region where communities, industries, businesses, and governments collaborate to enhance the quality of life and opportunities for all residents. The Commission is committed to ensuring that cities become better places to live, attracting world-class industry and talent while promoting sustainable and productive communities