1.
archipelago; island chain; group of islands
A cluster or chain of islands, used as a geographical term typically following a proper name.
小笠原諸島は世界遺産だ。
The Ogasawara Islands are a World Heritage Site.
カリブ海の諸島をめぐるクルーズに参加した。
I joined a cruise around the Caribbean islands.
南西諸島は沖縄から台湾にかけて連なる島々の総称である。
The Nansei Islands is a collective name for the chain of islands extending from Okinawa to Taiwan.
Compound of 諸 (various, many) + 島 (islands). Used as a suffix in geographical names.
COMMON EXAMPLES:
- 小笠原諸島 (Ogasawara/Bonin Islands)
- 南西諸島 (Nansei/Ryukyu Islands)
- 伊豆諸島 (Izu Islands)
- マーシャル諸島 (Marshall Islands)
USAGE NOTE:
諸島 and 群島 (also "archipelago") are similar but differ in nuance. 諸島 is a general term for a group of islands, while 群島 specifically emphasizes a cluster of islands close together. 列島 (island chain) emphasizes a linear arrangement.