Xelb (Silves) as Moorish Capital
8th-12th century
Context: Silves served as the Moorish capital of the Algarve from the 8th to 12th century, renowned across Al-Andalus for its culture, poetry and prosperity.
During the centuries of Moorish rule, the inland town of Silves, known as Xelb or Chelb in Arabic, served as the capital of the Algarve and one of the most important cities in Al-Andalus. Positioned on a hill above the Arade River, with access to the sea via the navigable estuary, Silves combined defensive strength with commercial convenience. At its zenith in the 11th and 12th centuries, the city was described by Arab geographers and poets as a place of remarkable culture, wealth and beauty.
The geographer Al-Idrisi, writing in the mid-12th century, described Silves as a prosperous city with fine buildings, busy markets and a harbour that attracted merchants from across the Mediterranean and North Africa. The city was surrounded by orchards of almonds, figs, oranges and olives, irrigated by the waters of the Arade and its tributaries. The agricultural wealth of the surrounding countryside supported a large and diverse urban population that included Muslims, Christians, Jews and converts.
The Alcacova, the fortress that crowns the hill of Silves, is the most visible surviving monument of the Moorish period. Built largely of the distinctive red Algarve sandstone, the castle's walls, towers and cisterns date primarily from the 11th and 12th centuries, though the site was fortified earlier. The massive cistern within the castle walls, capable of holding a substantial water supply, speaks to the engineering skill of the Moorish builders and the strategic importance they placed on the citadel's ability to withstand siege.
Silves was also a centre of literary and intellectual life. The city produced several notable Arab poets, including Ibn Ammar, who served as vizier to the taifa king Al-Mu'tamid of Seville before their famous falling out. The poetry associated with Silves celebrates the beauty of its gardens, the clarity of its waters and the pleasures of courtly life, painting a picture of a refined and cultivated society.
The city's prominence made it a target during the Christian Reconquista. In 1189, a force of Crusaders, primarily English and Flemish, allied with King Sancho I of Portugal to besiege and capture Silves. The siege was brutal, and the city fell after its water supply was cut off. However, the Almohad Moors recaptured Silves just two years later in 1191, and it was not until 1242 that the town fell definitively to the Portuguese crown under King Sancho II.
The fall of Silves marked the effective end of Moorish political power in the Algarve, though Muslim communities continued to live in the region for some time afterwards. The city's status declined sharply after the Reconquista, as the silting of the Arade River reduced its value as a port and the centre of administrative gravity shifted to Faro. Yet Silves retains its Moorish character in its street plan, its castle and its position in the cultural memory of the Algarve. The annual Feira Medieval de Silves celebrates this heritage, drawing visitors to the castle precincts each August for a recreation of medieval life.
The story of Xelb encapsulates the brilliance and fragility of Moorish civilisation in the Iberian Peninsula: a city that was a byword for culture and prosperity, brought low by the tides of religious and political conflict.
Impact
Though the city declined after the Reconquista, its castle, street plan and cultural legacy remain central to the Algarve's identity.