We have created Geo Bulk Package in order to gather all apps based on geo in one place.
With Regions/States app your users can select any country available on registration or when searching for members on members browse page.
Also with Geo Filter app you can forbid users from one or multiple countries to visit your website. Every request will be verified and in case if user is requesting your website from forbidden country he'll receive 403 Forbidden response.
Buy Geo Bulk Package right now and receive 10% discount for both Regions/States & Geo Filter apps.