This is the 13384th most frequent Swedish word.
ungrarna
"The Hungarians."
'ungrarnas' here is the possessive plural form, indicating that the book belongs to the Hungarians.
Ungrarnas bok är intressant.
The Hungarians' book is interesting.
'ungrarna' functions as the definite plural noun to indicate a specific group of Hungarians.
Jag träffade ungrarna på festen i lördags.
I met the Hungarians at the party last Saturday.
'ungrarnas' is used to denote possession in plural definite form, discussing the cultural heritage belonging to the Hungarians.