The pyramid of Djoser (or Djeser and Zoser), also known as the Step Pyramid of Djoser, is an archaeological site in Egypt's Saqqara necropolis, northwest of the Memphis ruins. The 6-tiered, 4-sided structure is Egypt's first colossal stone structure. t was constructed in the 27th century BC during the Third Dynasty for Pharaoh Djoser's burial. The pyramid is the focal point of a massive mortuary complex set in a vast courtyard surrounded by ceremonial structures and decoration. Imhotep, the pharaoh's chancellor and high priest of the god Ra, designed it.