If you want to include location information in your content type. The Location module could help. But by default, the list of selectable countries are very long and sometimes we may want to limit it to a few countries only. This can be done by creating a custom module but it only works for Location CCK but not for Node Location and User Location

1. Download and enable the Location and Location CCK modules
Continue reading Drupal 7 – Limit the number of countries in the country list of the Location module →