Soldier, scholar, future sovereign — how Spain’s heir to the throne is quietly redefining what modern royalty looks like
By Royal Correspondent · May 31, 2026
Princess Leonor presiding over the Princess of Asturias Awards ceremony in Oviedo — an event she has made her own since turning 18.
There is something unusual about Princess Leonor of Spain. Unlike many of her royal peers across Europe, she has not spent her early adulthood cutting ribbons and attending galas. She has been at sea in a tall ship crossing the Atlantic. She has drilled on parade grounds in the predawn dark. She has navigated, in uniform, the demanding world of military service — and done it all under the scrutiny of a nation wondering whether she is ready to one day be its queen.
The answer, if her record so far is any guide, is an increasingly confident yes.
Born into history
Leonor, Princess of Asturias and heir to the Spanish throne.
Princess Leonor was born on October 31, 2005, in Madrid — the elder daughter of King Felipe VI and Queen Letizia, a former television journalist. When her grandfather, King Juan Carlos I, abdicated in June 2014, her father became King Felipe VI, and Leonor — then just eight years old — was immediately elevated to heir presumptive. The titles came with the territory: Princess of Asturias, Princess of Girona, Princess of Viana, Duchess of Montblanc, Countess of Cervera, and Lady of Balaguer.
She is set to be Spain’s first reigning queen since Isabella II in the nineteenth century. It is not a small thing. And Leonor has never pretended otherwise.
“There is no greater pride. I ask you to trust me, as I have placed all my trust in our future, in the future of Spain.”
Those were her words in October 2023, when she stood before the Spanish Parliament on her 18th birthday and swore allegiance to the Constitution — dressed in a striking white power suit, composed and deliberate, as her parents watched from the gallery. The ceremony was broadcast live on national television, and not everyone was there: leftist and separatist politicians boycotted, voicing objections to the hereditary nature of the crown. Leonor delivered her address without faltering.
A soldier’s education
In August 2023, just weeks before her 18th birthday, Leonor did something that had never quite been done in the same way before. She enrolled at the General Military Academy in Zaragoza, beginning a three-year military training programme designed to prepare her for her eventual role as Spain’s commander-in-chief.
Leonor at the Naval Military Academy in Marín, where she trained before her Atlantic voyage.
The army year in Zaragoza was followed by a naval year — first at the Naval Military Academy in Marín, Galicia, and then aboard one of Spain’s most iconic vessels: the Juan Sebastián de Elcano, a legendary tall ship that has trained generations of Spanish naval officers.
In January 2025, Leonor boarded the ship alongside fellow midshipmen and set off on a five-month training cruise that took her across the Atlantic, through ports in Latin America, and all the way to New York City, before returning to Spain in July. During the voyage, she received instruction in navigation, astronomy, meteorology, and seamanship, and participated in live-fire drills aboard the frigate Blas de Lezo. It was, by any measure, a serious undertaking — and one she completed without any apparent concession to her royal status.
By September 2025, she had moved to the General Air Academy in San Javier, Murcia, for the aviation phase of her training. By July 2026, she will have completed all three stages — army, navy, and air force — a triple achievement no Spanish heir has accomplished in quite this manner.
The princess the public sees
Beyond the barracks and the bridge of a tall ship, Leonor has steadily grown into one of Spain’s most admired public figures. She presides over the annual Princess of Asturias Awards in Oviedo — a prestigious ceremony honouring excellence in the arts, sciences, humanities, and sport — with a command that belies her age. Previous recipients have included figures such as Meryl Streep and Haruki Murakami.
The Royal Family at the Princess of Asturias Awards — a ceremony Leonor now leads.
In the summer of 2025, she and her younger sister Infanta Sofía travelled to Switzerland to cheer on Spain’s women’s football team in the UEFA European Women’s Championship final — a vivid image of two young royals connecting with contemporary national life. Leonor also attended the Princesa de Girona Foundation Awards in Barcelona and, as recently as May 30, 2026, made her debut appearance at Spain’s Día de las Fuerzas Armadas parade in Vigo, standing beside King Felipe VI on the tribune in full military uniform.
She speaks multiple languages, delivers assured public addresses, and approaches every engagement with a calm seriousness that observers have noted is rare among royals of her generation. She is not performing readiness. She is demonstrating it.
Next: cap and gown
In April 2026, the Spanish Royal Household announced that Leonor will begin a degree in Political Science at Carlos III University in Getafe, just outside Madrid — a four-year programme encompassing law, economics, sociology, history, and international relations. It is a curriculum ideally suited to a future head of state, and she will continue to carry out official royal engagements alongside her studies.
The road ahead is long. There is no fixed date for her accession — King Felipe VI is 58 and in good health. But Spain’s future queen is not waiting for her moment. She is building it, one year at a time, with the kind of patient, disciplined preparation that monarchies are built to reward.
When her moment does arrive, very few who have watched her rise will be surprised by what she becomes.
