Because this sub loves to talk about and name US regions: What would you name each of these seemingly-arbitrary regions?

Tribes of Albania

Hummingbird range and approximate migration dates: Yellow-bellied Sapsuckers

Y-DNA Haplogroups in Europe

The expansion of Rome

Climate Classification World Map

First Language of districts in India

What about it?

Credit: statsofindia.in Source: Indian census 2011

How to say Britain in most languages

Russian-Janaese war in 1904-1905 - Balkan wars - Czechoslovakian military atlas (1965) (40th of this series)

How to say "library" in different languages

What makes Qatar the most peaceful country in the middle east for so long?