The USA or USA ??
How I say : Are you from USA ?
What is the most usual way to say that?
Is there other ways to say it ??

Question

The USA or USA ??
How I say : Are you from USA ?
What is the most usual way to say that? 
Is there other ways to say it ??

Answer

The USA. Because it's actually not the name of the country, it's a description. It shows that our country is united, it's made up of many states, and it's in America.

Answer

The U.S.A

We use the article 'the' with: The U.E.A, The U.K and The U.S.A.