Overview
- Group-stage fixtures are set across two windows in 2026, with four matchdays from September 24 to October 6 and the final two from November 12 to 17.
- The top two in each League A group progress to quarterfinals scheduled for March 25–30, 2027, followed by the Final Four on June 9–13, 2027.
- Spain was unbeaten in the previous Nations League edition and has reached three of the four finals, lifting the trophy in 2023.
- Coach Luis de la Fuente will name his next squad on March 20 as part of preparations for the 2026 World Cup.
- Spain is slated to face Argentina in the Finalísima on March 27 in Qatar and Egypt three days later at Lusail, while League A also features a heavyweight Group A1 of France, Italy, Belgium and Turkey.