This package contains a list of states (provinces) contributed by our community. States from this list can be used to enter billing address, shipping address, payment details, etc.
It can be imported in Admin area > Configuration > Countries > "Import states from CVS" button.
If you don't see a list of states in your country, please contribute it to us. Please post them in the following forum topic - https://www.nopcommerce.com/boards/topic/30664/massive-import-of-stateprovinces-of-countries-help-us-with-your-countrys-data