Complex sentence: The Outer Western Carpathians begin with the Slovak-Moravian Carpathians in the west, while Beskids are located along the Polish border and are divided in Slovakia into Western, Central and Eastern Beskids.
Split into simpler sentences: The Outer Western Carpathians begin with the Slovak-Moravian Carpathians in the west. They continue with the Beskids along the Polish border, which are divided in Slovakia into the Western, Central, and Eastern Beskids.