Yes it was included in the original creation. God created out of nothing. Archipelago was a change from one form to another form much like a volcano is changed to an island or rock pile from lava out of the ground.
An archipelago is a cluster or a string of islands. The one that has the greatest number of islands in it is the Archipelago Sea, which belongs to Finland. The archipelago with the greatest land area is Indonesia.
A territory in northern Canada that includes the eastern part of the original Northwest Territories and most of the islands of the Arctic Archipelago; capital Iqaluit. It is the homeland of the Inuit people.