Ganden Monastery (also Gaden or Gandain) or Ganden Namgyeling is one of the 'great three' Gelukpa university monasteries of Tibet, located at the top of Wangbur Mountain, Tagtse County, 36 kilometers ENE from the Potala Palace in Lhasa, at an altitude of 4,300m. (The other two 'great monasteries' are Sera Monastery and Drepung Monastery.)
Its full name is Ganden Namgyal Ling (dga' ldan rmam rgyal gling). Ganden means "joyful" and is the Tibetan name for Tuṣita, the heaven where the bodhisattva Maitreya is said to reside. Namgyal Ling means "victorious temple".
Read more about Ganden Monastery: History, Destruction in 1959 and 1966 and Reconstruction Efforts, Reestablishment in India