A garden, park, orchard, or other planted area; used as a noun by itself and commonly as a suffix (~en) in names.
植物園には珍しい花がたくさんある。
The botanical garden has many rare flowers.
遊園地の園内を散歩した。
I walked around inside the amusement park.
An abbreviated form referring to kindergarten or nursery school (e.g., in names, '園' stands for a preschool facility).
来年から子供を○○園に通わせる予定です。
From next year I'll send my child to the ○○ kindergarten.
申し込み用紙に『希望の園』と書いてください。
Please write the 'preferred nursery' on the application form.