园 (yuán) means "garden," "park," or "yard." It often appears as a suffix in compound words for specific types of gardens or parks, such as 花园 (flower garden) or 公园 (public park), and in proper nouns like company or place names.
孩子们在幼儿园里玩得很开心。
Háizimen zài yòu'éryuán lǐ wán de hěn kāixīn.
The children had a great time playing in the kindergarten.
这个动物园有很多珍稀动物。
Zhège dòngwùyuán yǒu hěn duō zhēnxī dòngwù.
This zoo has many rare animals.
爷爷每天早上都去公园散步。
Yéye měi tiān zǎoshang dōu qù gōngyuán sànbù.
Grandpa goes for a walk in the park every morning.