Nikšić is a city in Montenegro. Nikšić is located in Nikšić plain, at the foot of Mount Trebjesa.
The city of Nikšić was built in the 4th century. Its original name was Onogost. Remains of this old city are today a cultural and historic monument. Nikšić is the town of rich cultural and historical heritage on whose territory are found many cultural monuments from the Illyric and Roman period. Many documents and objects from the historical development of the town are exhibited in the local Museum, which makes, together with the archive and library, part of the Center of culture.