Nikšić (Montenegrin Cyrillic: Никшић) is a city in Montenegro (42.78°N 18.94°E). In 2003 the city had a total population of 58,212.
Nikšić is located in Nikšić plain, at the foot of Mount Trebjesa. It is the center of Nikšić municipality (Population of 75,282), which is the largest municipality in Montenegro by area. Nikšić is the second largest city in Montenegro, after Podgorica, and is an important industrial, cultural, and educational center.
The city of Nikšić was built in the 4th century by the Goths. Its original name was Anagastum .