King Felipe and Queen Letizia welcomed Korean President Moon Jae-in and his wife Kim Jung-sook for a state visit last week.
The agenda included a meeting a the Royal Palace in Madrid, but the gathering was limited in size because of ongoing pandemic concerns.
King Felipe and Moon also attended the opening of a meeting of business leaders in Barcelona, which was focused on post-pandemic recovery.
Leaders of the Autonomous Community of Catalonia, still run by nationalist parties, did not attend a dinner with His Majesty.