1. Go to the "Calls" menu in Teams(Here is an article that shows you how to use the Teams Calls Tab) 2. In the bottom right there will be a location not detected option, click it.
3. Another menu will appear giving you the option to add a location, click "Add". 4. It should automatically pull your location/ask you to allow teams to use your location. If not manually enter your address. 5. Finally your location will be displayed in the bottom left corner.