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Rhineland-Palatinate is one of the 16 Bundesländer (federal states) of Germany. It has an area of 19,846 km² and about 4.048 million inhabitants. The capital is Mainz. The federal state of Rhineland-Palatinate was established on 30 August 1946.
Palatinate (region)
The Palatinate (, Pfälzer dialect: "Palz"), historically also Rhenish Palatinate (), is a region in southwestern Germany. It occupies roughly the southernmost quarter of the German federal state of Rhineland-Palatinate ("Rheinland-Pfalz"), covering an area of with about 1.4 million inhabitants. Its residents are known as Palatines.