This is the 3266th most frequent Japanese word.
川村
"川村" means "river village." It is also used as a Japanese surname.
In this sentence, '川村' is used as a Japanese surname to address a person respectfully by appending 'さん'.
川村さんは歴史が詳しいです。
Mr./Ms. Kawamura is knowledgeable about history.
Here, '川村' is used to denote the name of a town, showing its usage as a geographic location.
川村という町を訪れたことがありますか。
Have you ever visited the town called Kawamura?
In this case, '川村' refers to the name of a high school, indicating its application in naming institutions.