This is the 8851st most frequent Japanese word.
森園
"森園" (Morizono) is a Japanese surname meaning "forest garden."
Here, '森園' refers to a specific place, possibly a park or garden known by this name.
森園でゆっくり過ごしたいです。
I want to spend some relaxing time in the Morizono.
In this context, '森園' is clearly used as a last name, identifying a person.
彼女の名字は森園です。
Her surname is Morizono.
In this sentence, '森園' is used as a proper noun, likely referring to a person's name or an estate.