Yes! With GiveLab Business, you'll have the option to choose which countries you want to make eligible for your giveaway. Anyone not included in the list of countries you define will be unable to enter the giveaway.
You can define which countries you want for your giveaway during the giveaway creation/edit process.
During the giveaway creation page, you will see the option to limit entries by country:
To limit the giveaway to specific countries, first start by entering countries within the entry box. As you begin typing, countries will be suggested to you. As an example, if you wanted to only allow entries from entrants in the United States and Canada, you would do the following;
Once applied, anyone accessing your giveaway from outside a country you defined will see a message stating the giveaway is not available in their country.