Donald Trump is very smart. Just ask him and he’ll tell you as much.
But his knowledge of European geography is a little dodgy, especially when it comes to Hungary, which is unfortunate as its prime minister is one of his best buddies.
On Sunday, the former U.S. president got confused over what countries border Hungary — less than a week after he also mixed the country up with Turkey.
Can you do better than the former U.S. president? Take our quiz below.