Region Restrictions Giveaways on Steamgifts

If you can see it, it means it works in your country, else you would no even see the giveaway

The giveaway creator selects the regions that can enter and those are shown. You shouldn't need to check the list of countries, if there is a button to enter the giveaway, the giveaway creator has selected your region. If your region is not allowed to enter, the enter button will be red and say "region restricted". It will not let you enter if you click it.

I believe giveaways that are not in your region are not shown on the main giveaway list, so you probably won't see any unless you find a giveaway that someone posts in the discussions and has region restrictions.

Here is an example of a giveaway that you should not be able to enter: https://www.steamgifts.com/giveaway/rk6ey/

I never actually knew this is how it worked and I never entered region-locked giveaways because of this. Thanks, OP, your question gave me an answer I never knew I needed.