Ngọc Sơn Temple
The Ngọc Sơn Temple (Vietnamese: Đền Ngọc Sơn, chữ Nôm: 𪽛玉山) is located on an islet in Hoàn Kiếm Lake, central Hanoi, Vietnam. == History == The temple was built in early 19th century, originally dedicated to "Three Sages" Wenchang Dijun, Guan Yu and Lü Dongbin.