This is the standard geographical partition used by European institutions for statistical purposes.
NUTS level 1 is the Country. It then goes down up to a level 4.
This is a very basic module. I have done it before for a project of mine with the 2010 version. Just realized a new format was released in 2016 so I decided to redo my component and share it here.
Maybe it can save half an hour of work to some of your location-based Covid-19 projects.