Qatar Central regions is available as seen on:
Azure Database for MySQL - Flexible Server
https://learn.microsoft.com/en-us/azure/mysql/flexible-server/overview#azure-regions
As your Subscription is not allowed to provision, I would recommend opening a support case with Azure Billing/Subscription.
https://learn.microsoft.com/en-us/azure/azure-sql/database/quota-increase-request?view=azuresql
https://azure.microsoft.com/en-ca/support/create-ticket/
Thank you!