Current Scenario :
Currently the below System Apps doesn't follow the Data residency region of the Confluence product. Irrespective of the current Data residency region of the Confluence product the below system apps are located in US region.

•  Confluence Cloud for Slack
• Confluence Cloud for Microsoft Teams
• Confluence Trello Power-Up

Ask :
Customer would like to have the ability to move the Confluence system apps to the same region as their confluence products