That is an archipelago.
A chain, string or group of islands is called an archipelago.
An archipelago is a geographical term for a chain or group of islands scattered across a body of water.
An archipelago (also called an island group or island chain) is a group of islands.
The group could be called an archipelago. An extended line (e.g. from volcanoes) would be an island chain.
A chain of islands is called an archipelago.
a group or chain of islands
an archipelago
an archipelago
The world's largest chain of islands is the series of Island called Micronesia. This is where the Philipenes are located.
Archipelago is a group or chain of islands.
An archipelago is a chain or cluster of islands.
The collective nouns for islands are aconstellation, string, group, cluster, or a chain of islands.The term "archipelago" refers to a group of islands in the one location, under a common name. A different term is "island chain" where a long group of islands projects into the sea, typically from a peninsula.