Khufu (in Greek known as Χέωψ, Cheops; pronounce /ˈkiɑps/) was a Pharaoh of Ancient Egypt's Old Kingdom. He reigned from around 2589 to 2566 B.C. Khufu was the second pharaoh of the Fourth Dynasty. He is generally accepted as being the builder of the Great Pyramid of Giza, the only one of the Seven Wonders of the Ancient World still standing. Khufu's name means "Protected by Khnum."