This is the 11574th most frequent German word.
stockholm
"Stockholm" is not a German word; it is the name of the capital city of Sweden.
In this sentence, 'Stockholm' refers to the name of the capital city of Sweden, used as a proper noun and the destination of the verb 'reisen' (to travel).
Ich möchte nach Stockholm reisen.
I want to travel to Stockholm.
Here, 'Stockholm' is the subject of the sentence, referring again to the city, emphasizing its geographical and touristic character.
Stockholm ist bekannt für seine schönen Inseln.
Stockholm is known for its beautiful islands.
In this instance, 'Stockholm' indicates the location where the architectural structures being admired are situated.