This is the 8846th most frequent Japanese word.
梅津
"梅津" (Umezu) is a Japanese surname.
Here, '梅津' refers to a place name, indicating the location where he grew up.
彼は梅津で育ちました。
He grew up in Umezu.
In this sentence, '梅津' is used as a surname, followed by 'さん', which is a polite honorific.
梅津さんは日本史の専門家です。
Mr. Umezu is an expert in Japanese history.
In this case, '梅津' is used to refer to an artist or creator, likely serving as a surname where their works are discussed.