Nitra is a city in western Slovakia, situated at the foot of Zobor Mountain in the valley of the river Nitra. With a population of about 79,472, it is the fifth-largest city in Slovakia. Nitra is also one of the oldest cities in Slovakia; it was the political center of the Principality of Nitra. Today, it is a seat of a kraj and an okres . This uses material from Wikipedia which is released under the Creative Commons Attribution-Share-Alike License 3.0.