20231120 22185700 1.0 TRUE DBCA Region Boundaries (DBCA-022) CALM's administrative region boundaries renamed to DEC, DPaW and subsequently DBCA Region Boundaries. The Department of Biodiversity, Conservation and Attractions administers a variety of environmental services to the public through 9 regional offices throughout Western Australia. The boundaries define the jurisdictional boundaries for regional offices to deploy DBCA services. Complied by GIS Branch under instruction from Director Regional Services. Boundary changes are supplied by relevant regional managers.