Survivor: Patagonia

 is the first season of Survivor.

It was originally broadcasted under the name "Survivor", but its official title has been changed to Survivor: Patagonia to distinguish it from its future seasons. Prior to the change to Survivor: Patagonia, the season was retroactively known as Survivor: Argentina.

Day one, the sixteen castaways were divided into two tribes. The yellow Leona tribe named after the La Leona River, and the Viedma tribe named after the Viedma Glacier.

Format

 * Tribe Composition: The sixteen castaways were divided into two tribes of eight.
 * Merged Tribe Composition: The merged tribe was composed of ten members.
 * Final Tribal Council Format: Two finalists faced a jury of seven. The jurors individually addressed the finalists.