Complex sentence: Brod-Posavina, Osijek-Baranja, Požega-Slavonia, Virovitica-Podravina and Vukovar-Syrmia counties which largely cover the territory historically associated with Slavonia.
Split into simpler sentences: Brod-Posavina, Osijek-Baranja, Požega-Slavonia, Virovitica-Podravina and Vukovar-Syrmia counties. Their combined territories largely cover the territory historically associated with Slavonia.