King Felipe welcomed U.S. Secretary of State John Kerry to Zarzuela Palace Monday.
Kerry was on a brief official visit to Spain following an agreement over U.S. troop presence there.
Spain and the U.S. also penned a deal to clean up pollution stemming from an accident involving nuclear weapons during the 1960’s.
The Secretary of State was scheduled to be in Madrid earlier this year but suffered a cycling accident in France.
Members of the Royal Family have had a busy several weeks. Also on Monday, King Felipe and Queen Letizia held a gathering of the Cervantes Institute leadership and Ibero-American ambassadors at El Pardo Palace.
King Juan Carlos helped open a contemporary art exhibit at the Madrid Royal Palace.
And last week King Felipe visited the Royal Academy of Moral and Political Sciences to open the course year for the Royal Academies.
Queen Letizia presided over events dealing with nutrition and journalism in recent days.