This is the 5711th most frequent Swedish word.
hamburg
"Hamburg" in Swedish typically refers to the German city of Hamburg.
Here, 'hamburg' refers to the food item 'hamburger'.
Jag åt en hamburg igår.
I ate a hamburger yesterday.
In this usage, 'Hamburg' refers to the city in Germany without changes.
Min vän bor i Hamburg.
My friend lives in Hamburg.
This sentence uses 'Hamburg' as the name of a city, emphasizing a quality or characteristic of it.