Queen Sofia was in Stockholm last week to attend a conference on dementia with other top royals.
Her Majesty participated alongside Sweden’s Queen Silvia and Princess Victoria, and Japanese Princess Takamado.
During the meeting, the group Alzheimer Disease International granted Queen Sofia credentials to be an official ambassador.
King Felipe was in Barcelona last week for the 100th anniversary of the city’s auto show, where he met briefly with Catalan President Quim Torra.
Torra, an ardent nationalist, has attempted to boycott the King’s presence in Catalonia for years after His Majesty blasted a pro-independence move.
Media outlets reported the King and Torra did not speak, and Torra tried his best to avoid doing so.
The Spanish Royal Household is mourning the death of former Socialist Party leader Alfredo Pérez Rubalcaba, who died last week.
King Felipe and Queen Letizia went to the Congress of Deputies to pay to pay their respects.
King Juan Carlos and Queen Sofia also made an appearance at a different time.
The Royal Household sent out a tweet soon after the death. Rubalcaba died suddently at 67 following a stroke.
King Juan Carlos and Queen Sofia were together again in public last weekend for the funeral of Grand Duke Jean of Luxembourg, who died at 98.
Their Majesties have come to represent the Spanish Crown at international royal events.
Grand Duke Jean led Luxembourg for more than three decades until he abdicated in favor of his son Henri in 2000.
King Juan Carlos and Queen Sofia have made other appearances on the royal calendar in recent days.
Don Juan Carlos was with King Felipe at an innovation summit in Naples, Italy, tied to the COTEC Foundation.
Queen Sofia attended a meeting of the Queen Sofia School of Music with its president, Paloma O’Shea, the Marquise of O’Shea.
Also there was Paloma’s daughter, Ana Patricia Botín, powerful head of the Santander banking group.
Queen Letizia has returned from a trip to Mozambique to review Spanish cooperation and aid efforts in that country.
Health minister Nazira Vali Abdula helped welcome the Queen. She also met with President Filipe Jacinto Nyussi and First Lady Isaura Nyussi.
The queen’s travel comes amid ongoing criticism her agenda is not as busy as it should be.