Complex sentence: The communities of Deerpark, Huguenot, Sparrowbush, and Greenville are adjacent to Port Jervis, and the towns of Montague, New Jersey and Matamoras, Pennsylvania face the city across the respective state borders.
Split into simpler sentences: The communities of Deerpark, Huguenot, Sparrowbush, and Greenville are adjacent to Port Jervis. The towns of Montague, New Jersey and Matamoras, Pennsylvania face the city across the respective state borders.