This is the 8405th most frequent Japanese word.
恵北
"恵北" does not have a standard definition in Japanese as it is not commonly used as a standalone word. It may be a proper noun or a combination of characters (恵 meaning "blessing" and 北 meaning "north"). Context is needed for an accurate definition.
In this sentence, '恵北' is used as a place name, referring to a geographic location. It serves as the subject of the sentence, defining what is surrounded by nature.
恵北は美しい自然に囲まれています。
Keihoku is surrounded by beautiful nature.
Here, '恵北' still acts as a proper noun for a location, and it is the topic of the sentence, indicating what he has knowledge of.
彼は恵北について詳しい知識を持っています。
He has detailed knowledge about Keihoku.
The term '恵北' is used as a place name and functions as part of the location expression introduced by 'で,' signifying where the action of visiting took place.