This is the 9758th most frequent Japanese word.
藤岡
"藤岡" (Fujioka) is a Japanese surname or place name, meaning "wisteria hill."
This usage of 藤岡 mentions the location as a city or town where the festival takes place.
藤岡で有名な祭りがあります。
There is a famous festival in Fujioka.
Here, 藤岡 (Fujioka) is used as a surname, commonly found in Japanese names to refer to an individual.
藤岡さんは非常に親切な人です。
Mr./Ms. Fujioka is a very kind person.
In this sentence, 藤岡 refers to a place name, specifically Fujioka City, indicating a geographic location.