To add groups in the Organization, select Organization Settings > create Group from the menu.
Enter the group name and description on the new page; these settings can be changed at a later stage.
Optionally, you can clone settings from another group by selecting the settings and the original group.
If devices need to be rebooted on a regular basis, enable the Scheduled Reboot option.
Select a Country from the drop-down list
Select a location by selecting a point on the map or by adding the location’s latitude and longitude details.
You can use online resources to find the exact latitude and Longitude coordinates.
This website for example.
Select the desired Time Zone and choose if devices in this group should follow this time setting.