This is the 5042nd most frequent Japanese word.
荒井
"荒井" is a Japanese surname meaning "wild well" or "uncultivated well."
Here, '荒井' is used as a surname to identify a person.
荒井さんは東京に住んでいます。
Mr./Ms. Arai lives in Tokyo.
In this context, '荒井' could be interpreted as '荒らされた井戸', referring to a desolate or abandoned well.
この地域には荒井が広がっています。
In this area, the wasteland stretches out.
Here, '荒井' represents a location or landmark name where tourists visit.