This is the 5766th most frequent Swedish word.
helsingborgs
"Helsingborgs" is the possessive form of Helsingborg, a city in Sweden. It means "of/from Helsingborg."
Here, 'Helsingborgs' is used as a possessive form referring to the city of Helsingborg and its qualities, specifically 'vackra kustlinje' ('beautiful coastline').
Jag har alltid beundrat Helsingborgs vackra kustlinje.
I have always admired Helsingborg's beautiful coastline.
In this sentence, 'Helsingborgs' indicates ownership or association, referring to the city's football team.
Helsingborgs fotbollslag vann matchen igår.
Helsingborg's football team won the match yesterday.
Here, 'Helsingborgs' is used possessively to specify the museum associated with or located in Helsingborg.