This is the 2274th most frequent German word.
graz
"Graz" is not a common German word; it is the name of a city in Austria.
Here, 'Graz' is used as a proper noun referring to the city in Austria.
Ich habe Graz besucht, als ich in Österreich war.
I visited Graz when I was in Austria.
In this sentence, 'Graz' again refers to the city, giving context to its characteristics.
Die Atmosphäre in Graz ist herzlich und lebendig.
The atmosphere in Graz is warm and vibrant.
Here, 'Graz' is the subject of the sentence and refers to the city itself where the attractions are located.