The Viện cơ mật, established in 1834, was the Privy Council and key mandarin agency of the imperial court of Vietnam's final Nguyễn dynasty at Huế, until the end of the dynasty in 1945.
Painting of Giác Hoàng pagoda in 1840s, later demolished and now the current headquarter of Privy Council in 1903.
The Grand Secretariat, or the Cabinet of the Nguyễn dynasty, was the highest branch of its government until the 1930s. Its functions were to serve at the pleasure of the emperor. The Grand Secretariat
Emperor Khải Định and member of Nội các.From left to right: Hồ Đắc Trung, Tôn Thất Hân, emperor Khải Định (middle), Nguyễn Hữu Bài and Đoàn Đình Duyệt.