Nanjing University (NJU or NU, sometimes Nanking University, simplified Chinese: 南京大学; traditional Chinese: 南京大學; pinyin: Nánjīng Dàxué, Nánkīng Tàhsüéh), known as Nanda (南大; Nándà), is a major public university, the oldest institution of higher learning in Nanjing, Jiangsu, and a member of the elite C9 League of Chinese universities.
Established in 1902 as Sanjiang Normal School, it underwent a number of name changes until it was renamed Nanjing University in 1950. It merged with the University of Nanking in 1952.
In addition to its membership in the C9 League, Nanjing University has been designated a Class A institution in the Double First Class University plan, a government initiative to cultivate an elite group of Chinese universities into 'world-class' institutions. The university is perennially ranked one of the best research universities in China, and one of China's most selective universities. It is ranked among the top universities worldwide in major global university rankings. Regarding research output, the Nature Index 2017 ranks Nanjing University number 2 in China, number 3 in Asia Pacific and number 12 in the world.
NJU has two main campuses: the Xianlin campus in the northeast of Nanjing, and the Gulou campus in the city center of Nanjing.