What does British isles mean?

The term "British Isles" refers to a group of islands located off the northwest coast of mainland Europe. The term encompasses the islands of Great Britain, Ireland, the Isle of Man, the Channel Islands, and a number of smaller islands.

The term "British Isles" has been used for centuries to describe this region, but it is sometimes considered outdated or politically contentious. Some people prefer to use the term "British and Irish Isles" to be more inclusive of the island of Ireland.