The Secretariat Building or formerly known as the Brunei Government Offices and Government Secretariat Building is the oldest government structure that serves the State Secretariat of Brunei or the seat of government. The building is located at Jalan Elizabeth II, Bandar Seri Begawan, Brunei-Muara District, Brunei. The building is currently under the protection of the Antiquities and Treasure Trove Act of the Museums Department.