Sancho Garcés IV, nicknamed Sancho of Peñalén was King of Pamplona from 1054 until his death. He was the eldest son of García Sánchez III and his wife, Stephanie, and was crowned king of Pamplona after his father was killed during the Battle of Atapuerca.

The Kingdom of Navarre, originally the Kingdom of Pamplona, was a Basque kingdom that occupied lands on both sides of the western Pyrenees, with its northernmost areas originally reaching the Atlantic Ocean, between present-day Spain and France.