Changing the country used for search engine results pages analysis can be done in three ways.
Changing the Default Country
To change the default country used in the applications, go to the Inventories tab on the Settings page.

Temporarily Changing the Country
From within any application, you can temporarily change the country by clicking on the flag in the Enter a topic field.

You can also click on advanced settings (the gear icon) and click on the country from the drop-down menu.