Depending on the country set up, some countries prefer to club some stores together and add a region to it.
Same set up can be shown in Qaudits tool as well. You need to add region and then while adding stores one can connect these store to different regions using the drop down menu.
How to create a region
How to add Region to a Store:
User needs to set region type per each store
Sites >View > Select the store > Choose the region > Save