At Sarmizegetusa Regia lived kings, high dignitaries, the capital of the Dacian state was located in an area naturally defended by the Godeanu mountains, and access to it from the Mureş valley was defended and controlled by the cities of Costeşti of many military towers located along the Gradistii valley. Once at Sarmizegetusa Regia, its appearance was truly grandiose: on almost 6 km long the southern slope of the mountain was cut into multi-storey terraces on which the houses stood, over which sat the walls of the fortress that rose on top of the massif, sanctuaries of large, all connected by a well-developed network of roads and water installations.
Sarmizegetusa Regia, the capital of the Geto-Dacian state, was also a sanctuary, spiritual center, necropolis and altar of the supreme god.
Zamolxis (Zamolxe) – was the supreme god of the Geto-Dacians, the god of the afterlife, the dead and the living, representing the underworld and the after life.
Three distinct structures were discovered during the archaeological works that started in the 20th century.