This is the 7153rd most frequent Swedish word.
rotterdam
"Rotterdam" is not a Swedish word; it is the name of a city in the Netherlands.
In this sentence, 'Rotterdam' is used as a proper noun representing the name of the city in the Netherlands.
Jag planerar att besöka Rotterdam nästa sommar.
I am planning to visit Rotterdam next summer.
Here, 'Rotterdam' again acts as a proper noun referring to the city, used as the subject of the sentence showcasing a characteristic of the place.
Rotterdam är känt för sin moderna arkitektur.
Rotterdam is known for its modern architecture.
In this context, 'Rotterdam' serves as a topic in a conversation or lesson, referring to the city within the context of geography.