This is the 5107th most frequent German word.
arbon
"Arbon" is not a German word; it is the name of a town in Switzerland.
Here, 'Arbon' refers to a proper noun, specifically a place name.
Ich besuchte Arbon letzten Sommer.
I visited Arbon last summer.
In this context, 'Arbon' continues to serve as a proper noun indicating the town's specific area or highlight.
Die Altstadt von Arbon ist sehr charmant.
The old town of Arbon is very charming.
In this sentence, 'Arbon' denotes the general location or municipality where events occur.