There is difference between Data Location and Location. Please refer this link https://learn.microsoft.com/en-us/cli/azure/communication?view=azure-cli-latest#az-communication-create for more details
For the list of data locations, refer this link https://learn.microsoft.com/en-us/azure/communication-services/concepts/privacy#data-residency
Please pass the right values for Data Location and Location parameters.
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