Simplify the following text for a Grade 11 native English-speaking person.
Original: Nitra ( Hungarian : Nyitra \/ Nyitria ( archaic ) ; German : Neutra ) is a city in western Slovakia ( and the fifth largest urban settlement in Slovakia ) situated at the foot of Zobor Mountain in the Nitra River valley .
Simplified: Nitra ( ; ; \/ Nyitria ( archaic ) ) is a city in western Slovakia , situated at the foot of Zobor Mountain in the valley of the river Nitra .