Original: Most of the cities of the Palatinate (Ludwigshafen, Speyer, Landau, Frankenthal, Neustadt) lie in the plain rhine rift in the east of the region, near the Rhine River, which forms the eastern border of the Palatinate.
Simplified: Most of the cities of the Palatinate (Ludwigshafen, Speyer, Landau, Frankenthal, Neustadt) lie in the Rhineplain in the east.