Currently, Microsoft has not established a fixed timeline nor made any public announcements regarding plans to enable Azure Center for SAP Solutions in the Australia South East region.
Microsoft maintains product roadmap and central updates page for Azure services; however, there are currently no updates or roadmap entries that indicate upcoming support for Azure Center for SAP Solutions in the Australia South East region. For accurate and up-to-date information, it is recommended to monitor the Azure Updates page regularly https://azure.microsoft.com/en-us/updates?searchterms=Azure+Center+for+SAP+Solutions
Currently available supported regions of Azure Virtual Instance for SAP solutions are listed here and check here product availability by region
It is recommended that customers in this region use either Australia East or Australia Central as the nearest supported regions for deploying and managing SAP workloads with Azure Center for SAP Solutions.
If the information is helpful, please click on "Accept Answer" and "Upvote"
If you have any queries, please do let us know, we will help you.