This is the 2548th most frequent Japanese word.
大島
Ōshima: A common Japanese surname or a name meaning "big island."
Here, '大島' again refers to the geographical location, emphasizing the culture associated with it.
大島の文化はとても興味深いです。
The culture of Oshima is very interesting.
The word '大島' here refers to a geographical location, specifically an island named Oshima.
私は大島に行ったことがあります。
I have been to Oshima.
In this sentence, '大島' is used as a family name accompanied by the honorific 'さん' to refer to a specific person.