The Ancestry Composition feature has the ability to assign pieces of your DNA at several geographic scales.

This is important because DNA varies in where it is found in the world.

One piece of DNA might be found just in, say, Finnish people, so we can with some confidence call this DNA Finnish.

Another piece of DNA might be found with some frequency in England, Norway and Germany.

Instead of choosing arbitrarily from among these regions, Ancestry Composition will label DNA like that “Broadly Northern European.

"Northwestern Europe usually consists of Ireland, the United Kingdom, Belgium, the Netherlands, Northern Germany, Denmark, Norway, Sweden and Iceland. Luxembourg, Northern France, Southern Germany, and Switzerland are also often considered part of the grouping