This is the 2075th most frequent Swedish word.
berglund
"Berglund" is a Swedish surname meaning "mountain grove."
In this sentence, 'Berglund' is used as a proper noun, specifically a surname, commonly used in Swedish.
Berglund är ett vanligt efternamn i Sverige.
Berglund is a common surname in Sweden.
In this sentence, 'Berglund' refers to an individual, likely an author, who has written a book.
Berglund skrev en bok om Skandinavisk historia.
Berglund wrote a book about Scandinavian history.
Here, 'Berglund' denotes the family name, indicating a group of people identified by the surname Berglund.