peninsula
Standard geographical term for a piece of land surrounded by water on three sides.
Italy is a peninsula country.
There is a lighthouse at the tip of this peninsula.
Colloquial and potentially sensitive shorthand for the Korean Peninsula or Korea. Often used in news or casual speech, but may be considered reductive or insensitive in some contexts.
The situation on the Korean Peninsula is tense.
He is from Korea.
The village is located on the Boso Peninsula.
During summer vacation, I drove all the way around the Izu Peninsula.
The lighthouse stands at the tip of the peninsula.
半島 means 'peninsula' (land jutting into the sea), while 列島 means 'archipelago' (a chain of islands); learners sometimes mix them up because both contain 島.
半島 means 'peninsula' (land jutting into the sea), which learners can confuse with 群島 'archipelago' (a group of islands) because both share the kanji 島.
半島 means 'peninsula,' a landform attached to the mainland, which learners sometimes confuse with 小島 because both share the kanji 島.