This is the 3157th most frequent Swedish word.
nyköpings
"Nyköpings" is the possessive form of "Nyköping," referring to something belonging to or related to the town of Nyköping in Sweden.
Here, 'Nyköpings' acts as the possessive form (genitive) of 'Nyköping', referring to the castle owned by or located in Nyköping.
Jag besökte Nyköpings slott förra veckan.
I visited Nyköping's castle last week.
In this sentence, 'Nyköpings' is again the possessive form, used to denote belonging or association to the locality or institution in Nyköping.
Nyköpings Theatern har en ny föreställning i helgen.
Nyköping's Theater has a new performance this weekend.
Here, 'Nyköpings' describes a historical event associated with Nyköping, emphasizing the location's historical context.