Original sentence: Macedonians (, Makedónes) are a regional and historical population group of ethnic Greeks, inhabiting or originating  from the Greek region of Macedonia, in Northern Greece, which incorporates most of the territories (and the two capitals) of the ancient Kingdom of Macedonia
Edited sentence: Macedonians (, Makedónes) are a regional and historical population group of ethnic Greeks, originating from the wider region of Macedonia and inhabiting mainly the Greek region of Macedonia, which incorporates most of the territories (and the two capitals) of the ancient Kingdom of Macedonia