Complex sentence: The Bosnian Croat population generally populate the areas closest to the Croatian border focused on Mostar and Tomislavgrad, the Bosniak population mainly lives along the flow of the Neretva River, including the cities of Konjic and Jablanica.
Split into simpler sentences: The Bosnian Croat population generally populate the areas closest to the Croatian border focused on Mostar and Tomislavgrad. The Bosniak population mainly lives along the flow of the Neretva River, including the cities of Konjic and Jablanica.