. The Donbas (UK: , US: ; Ukrainian: Донбас [donˈbɑs];) or Donbass (Russian: Донбасс [dɐnˈbas]) is a historical, cultural, and economic region in eastern Ukraine. The majority of the Donbas is occupied by Russia as a result of the Russo-Ukrainian War. The word Donbas is a portmanteau formed from "Donets Basin", an abbreviation of "Donets Coal Basin" (Ukrainian: Донецький вугільний басейн, romanized: Donetskyi vuhilnyi basein; Russian: Донецкий угольный бассейн, romanized: Donetskiy ugolnyy basseyn).
https://en.wikipedia.org/wiki/Donbas