This is the 554th most frequent Dutch word.
buitenland
"Foreign country" or "abroad."
In this sentence, 'buitenland' is used as a noun referring to other countries outside one's home country.
Ik heb familie in het buitenland.
I have family abroad.
Here, 'buitenland' denotes an abstract idea of countries other than the individual's home country.
Hij denkt vaak aan het buitenland en hoe het daar zou zijn.
He often thinks about foreign countries and how it would be there.
In this context, 'buitenland' represents the specific destination outside one's home country for the vacation.