You are Chilean.
You are from Chile.
We are from Cambodia.
We are Cambodian.
She is from Canada.
She is Canadian.
She's from Greece.
She's Greek.
He is Mexican.
He is from Mexico.
We are British.
We are from The UK.
He's Korean.
He's from Korea.
They are Spanish.
They're from Spain.
He is American.
He is from The USA.
They are from Ireland.
They are Irish.
I'm from France.
I'm French.
She's from Vietnam.
She's Vietnamese.
I'm from China.
I'm Chinese.
I'm from Portugal.
I'm Portuguese.
She is Australian.
She is from Australia.
He is from Turkey.
He is Turkish.
She is Japanese.
She is from Japan.