The Alcázar, built by the people the kings had just conquered

Seven centuries, one siteFrom Umayyad fort to Christian palace, without ever starting over

The word alcázar comes directly from the Arabic al-qasr, "the fortress," and the site has carried some version of that function since at least 913 CE, when Umayyad governors first fortified this stretch of riverbank. The Almohads, who made Seville their Iberian capital in the twelfth century, turned it into a proper palace-fortress — the Patio del Yeso, one of the few surviving Almohad spaces open to visitors today, dates from this period and gives the clearest sense of what the complex looked like before the Christians arrived.

Ferdinand III of Castile took Seville in 1248, and rather than demolishing what he found, the new Christian rulers simply moved in and kept building. Alfonso X added Gothic halls in the thirteenth century, large stretches of which were later damaged in the 1755 Lisbon earthquake and never fully restored in their original form. But the building that defines the Alcázar in most people's minds arrived under Pedro I of Castile in 1364: a Mudéjar palace commissioned by a Christian king, built largely by Muslim craftsmen, some sent from the court of Muhammad V of Granada — the same royal workshops responsible for the finest rooms of the Alhambra — under a diplomatic arrangement between the two kingdoms at the time.

The building never really stopped evolving after that. The Catholic Monarchs, Isabella and Ferdinand, added the Casa de la Contratación in the early sixteenth century, the royal office that oversaw and licensed all trade and exploration to the New World — meaning some of the paperwork for Columbus's voyages was processed inside this very palace. Charles V added Renaissance rooms and held his wedding to Isabella of Portugal here in 1526, commissioning a set of tapestries for the occasion that are still sometimes displayed. Centuries of subsequent monarchs kept adding, patching and gardening, which is why the Alcázar reads less like one coherent design and more like a seven-hundred-year architectural conversation that nobody ever formally ended.

The layoutWhat you'll actually walk through

Entry is through the Puerta del León (Lion's Gate), directly across the plaza from the cathedral, into the Patio del León and then the Patio de la Montería, the broad courtyard that functions as the complex's orientation point — the Mudéjar palace sits straight ahead, the Casa de la Contratación to one side, and the gardens stretch away behind everything.

The Mudéjar Palace, Pedro I's masterpiece, is the section everyone comes for and the one that gets genuinely crowded. The Patio de las Doncellas (Courtyard of the Maidens) is its heart: a long sunken courtyard with a reflecting pool that was actually paved over entirely in the sixteenth century and only rediscovered and excavated in the early 2000s, so the sunken garden you see today is a relatively recent restoration of Pedro's original design. The upper gallery around the courtyard, with its columns and arches, was added later under Charles V and reads as a visibly different, more Renaissance layer stacked on top of the Islamic ground floor. Off this courtyard, the Salón de Embajadores (Hall of Ambassadors) is the single most important room in the palace, a domed reception hall with a wooden half-orange cupola dated to 1427, covered in gilded stars, and walls lined floor to ceiling in azulejo tilework and carved stucco that took Granadan craftsmen years to complete.

The Patio de las Muñecas (Courtyard of the Dolls), smaller and more intimate, takes its name from two tiny carved faces tucked into one of the arches — a detail almost nobody finds without being told where to look. Beyond the Mudéjar palace, the Gothic Palace holds the rooms damaged by the 1755 earthquake and later heavily restored, including a chapel and a set of large tapestry-filled halls used for state functions.

The gardens are genuinely a third of the visit and deserve the time most visitors don't give them. Multiple terraced levels descend from the palace, built up over centuries rather than designed at once: the Jardín de la Danza and the Jardín de Troya closest to the building, a formal Renaissance layout further out, and the Galería de Grutesco, a long raised gallery built directly on top of the old Almohad defensive wall, offering a genuinely different vantage point back over the whole garden. The Baños de María Padilla, an atmospheric underground vaulted chamber originally used as a cistern and later associated by legend with Pedro I's mistress, sits just off the Jardín de la Danza and is one of the coolest, most atmospheric corners of the entire site on a hot day. Peacocks roam the garden paths more or less freely, which visitors either find charming or are mildly startled by, depending on how closely a bird gets.

Timing and tacticsHow to actually see it without the queue

Book a timed-entry ticket online before you travel. This is not optional advice in high season — walk-up capacity is deliberately limited to protect the fragile plasterwork and tilework from overcrowding, and queues at the gate routinely run well over an hour in spring and early autumn, with same-day tickets frequently selling out entirely. The earliest slot of the day is the best one: the Patio de las Doncellas and the Salón de Embajadores fill with tour groups fast, and the light in the first hour is also simply better for both the architecture and photographs.

The upper royal apartments (Cuarto Real Alto), the rooms the Spanish royal family still occasionally uses when staying in Seville, require a separate, capacity-limited guided visit booked independently of general admission — worth adding if you want to see the palace's living, working half rather than only its historic rooms, but book this specifically and in advance, since it sells out faster than general entry.

Once inside, resist the urge to follow the crowd in a straight line from entrance to exit. Most visitors treat the Mudéjar palace as the whole visit and the gardens as an afterthought to rush through on the way out, which means the garden terraces, the Galería de Grutesco and the Baños de María Padilla are consistently the quietest parts of the site even at midday in August. Budget two to three hours minimum, longer if you've added the upper apartments, and bring water in summer — large stretches of the garden have little shade and Seville's heat is not a minor inconvenience between June and September.

Fans of recent television will also recognise sections of the gardens: parts were used as the Water Gardens of Dorne in the fifth season of Game of Thrones, filmed here in 2014, which has added a small but steady stream of visitors photographing specific garden corners for reasons that have nothing to do with the Mudéjar dynasty.