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Muhammad al-Idrisi
Medieval Arab geographer

Muhammad al-Idrisi

Muhammad al-Idrisi
The basics

Quick Facts

Intro Medieval Arab geographer
Known for Tabula Rogeriana
A.K.A. Abû abd ʻAllâh Mohammad ʻibn Mohammad ʻibn ʻIdris,, Muhammad Idr...
Was Cartographer Geographer Egyptologist Historian Scientist Botanist Writer
From Morocco Italy
Type Arts Literature Science Social science
Gender male
Birth 1 January 1100, Ceuta, Spain; Mazara del Vallo, Italy
Death 1165, Sicily, Italy; Sicily, Italy (aged 65 years)
Star sign Capricorn
The details (from wikipedia)


Abu Abdullah Muhammad al-Idrisi al-Qurtubi al-Hasani as-Sabti, or simply al-Idrisi /ælɪˈdrs/ (Arabic: أبو عبد الله محمد الإدريسي القرطبي الحسني السبتي‎; Latin: Dreses; 1100 – 1165), was a Moroccan Arab Muslim geographer, cartographer and Egyptologist who for some time lived in Palermo, Sicily at the court of King Roger II. Muhammed al-Idrisi was born in Ceuta then belonging to the Almoravids. He created the Tabula Rogeriana, one of the most advanced medieval world maps.

Early life

Al-Idrisi was born into the large Hammudid family of North Africa and Al-Andalus, which claimed descent from the Idrisids of Morocco and ultimately the prophet Muhammad.

Al-Idrisi was born in the city of Ceuta, at the time controlled by the Almoravids but now a part of Spain, where his great-grandfather had been forced to settle after the fall of Hammudid Málaga to the Zirids of Granada. He spent much of his early life travelling through North Africa and Al-Andalus (Muslim Spain of the times) and seems to have acquired detailed information on both regions. He visited Anatolia when he was barely 16. He studied in Córdoba.

His travels took him to many parts of Europe including Portugal, the Pyrenees, the French Atlantic coast, Hungary, and Jórvík (now known as York).

Tabula Rogeriana

Al-Idrisi's world map from 'Alî ibn Hasan al-Hûfî al-Qâsimî's 1456 copy. According to the French National Library, "Ten copies of the Kitab Rujar or Tabula Rogeriana exist worldwide today. Of these ten, six contain at the start of the work a circular map of the world which is not mentioned in the text of al-Idris". The original text dates to 1154. Note that south is at the top of the map.

Because of conflict and instability in Al-Andalus al-Idrisi joined contemporaries such as Abu al-Salt in Sicily, where the Normans had overthrown Arabs formerly loyal to the Fatimids.

Al-Idrisi incorporated the knowledge of Africa, the Indian Ocean and the Far East gathered by Islamic merchants and explorers and recorded on Islamic maps with the information brought by the Norman voyagers to create the most accurate map of the world in pre-modern times, which served as a concrete illustration of his Kitab nuzhat al-mushtaq, (Latin: Opus Geographicum), which may be translated A Diversion for the Man Longing to Travel to Far-Off Places.

The Tabula Rogeriana was drawn by al-Idrisi in 1154 for the Norman King Roger II of Sicily, after a stay of eighteen years at his court, where he worked on the commentaries and illustrations of the map. The map, with legends written in Arabic, while showing the Eurasian continent in its entirety, only shows the northern part of the African continent and lacks details of the Horn of Africa and Southeast Asia.

For Roger it was inscribed on a massive disc of solid silver, two metres in diameter.

On the geographical work of al-Idrisi, S.P. Scott wrote in 1904:

The compilation of Edrisi marks an era in the history of science. Not only is its historical information most interesting and valuable, but its descriptions of many parts of the earth are still authoritative. For three centuries geographers copied his maps without alteration. The relative position of the lakes which form the Nile, as delineated in his work, does not differ greatly from that established by Baker and Stanley more than seven hundred years afterwards, and their number is the same. The mechanical genius of the author was not inferior to his erudition. The celestial and terrestrial planisphere of silver which he constructed for his royal patron was nearly six feet in diameter, and weighed four hundred and fifty pounds; upon the one side the zodiac and the constellations, upon the other-divided for convenience into segments-the bodies of land and water, with the respective situations of the various countries, were engraved.

Al-Idrisi inspired Islamic geographers such as Ibn Battuta, Ibn Khaldun and Piri Reis. His map also inspired Christopher Columbus and Vasco Da Gama.

Description of islands in the North Sea

Al-Idrisi in his famous Tabula Rogeriana mentioned Irlandah-al-Kabirah (Great Ireland). According to him, "from the extremity of Iceland to that of Great Ireland," the sailing time was "one day." Although historians note that both al-Idrisi and the Norse tend to understate distances, the only location this reference is thought to have possibly pointed to, must likely have been in Greenland.

Description of Chinese trade

Al-Idrisi mentioned that Chinese junks carried leather, swords, iron and silk. He mentions the glassware of the city of Hangzhou and labels Quanzhou's silk as the best. In his records of Chinese trade, al-Idrisi also wrote about the Silla Dynasty (one of Korea's historical Dynasties, and a major trade partner to China at the time), and was one of the first Arabs to do so. Al-Idrisi's references to Silla led other Arab merchants to seek Silla and its trade, and contributed to many Arabs' perception of Silla as the ideal East-Asian country.

Nuzhat al-Mushtaq

As well as the maps, al-Idrisi produced a compendium of geographical information with the title Kitab nuzhat al-mushtaq fi'khtiraq al-'afaq. The title has been translated as The book of pleasant journeys into faraway lands or The pleasure of him who longs to cross the horizons. It has been preserved in nine manuscripts, seven of which contain maps.

The translated title of this work (in the "pleasure of him ..." form) attracted favourable comment from the team selecting lists of names for features expected to be discovered by the New Horizons probe reconnoitring the Pluto system. The Al-Idrisi Montes is a geographical feature in that system named after him.

In the introduction, al-Idrisi mentions two sources for geographical coordinates: Claudius Ptolemy and "an astronomer" that must be Ishaq ibn al-Hasan al-Zayyat; and states that he has cross-checked oral reports from different informers to see if geographical coordinates were consistent.

Publication and translation

An abridged version of the Arabic text was published in Rome in 1592 with title: De geographia universali or Kitāb Nuzhat al-mushtāq fī dhikr al-amṣār wa-al-aqṭār wa-al-buldān wa-al-juzur wa-al-madā’ in wa-al-āfāq which in English would be Recreation of the desirer in the account of cities, regions, countries, islands, towns, and distant lands. This was one of the first Arabic books ever printed. The first translation from the original Arabic was into Latin. The Maronite's Gabriel Sionita and Joannes Hesronita translated an abridged version of the text which was published in Paris in 1619 with the title of Geographia nubiensis. Not until the middle of the 19th century was a complete translation of the Arabic text published. This was a translation into French by Pierre Amédée Jaubert. More recently sections of the text have been translated for particular regions. Beginning in 1970 a critical edition of the complete Arabic text was published.

Andalusian-American contact

Al-Idrisi's geographical text, Nuzhat al-Mushtaq, is often cited by proponents of pre-Columbian Andalusian-Americas contact theories. In this text, al-Idrisi wrote the following on the Atlantic Ocean:

The Commander of the Muslims Ali ibn Yusuf ibn Tashfin sent his admiral Ahmad ibn Umar, better known under the name of Raqsh al-Auzz to attack a certain island in the Atlantic, but he died before doing that. [...] Beyond this ocean of fogs it is not known what exists there. Nobody has the sure knowledge of it, because it is very difficult to traverse it. Its atmosphere is foggy, its waves are very strong, its dangers are perilous, its beasts are terrible, and its winds are full of tempests. There are many islands, some of which are inhabited, others are submerged. No navigator traverses them but bypasses them remaining near their coast. [...] And it was from the town of Lisbon that the adventurers set out known under the name of Mughamarin [Adventurers], penetrated the ocean of fogs and wanted to know what it contained and where it ended. [...] After sailing for twelve more days they perceived an island that seemed to be inhabited, and there were cultivated fields. They sailed that way to see what it contained. But soon barques encircled them and made them prisoners, and transported them to a miserable hamlet situated on the coast. There they landed. The navigators saw there people with red skin; there was not much hair on their body, the hair of their head was straight, and they were of high stature. Their women were of an extraordinary beauty.

This translation by Professor Muhammad Hamidullah is however questionable, since it reports, after having reached an area of "sticky and stinking waters", the Mugharrarin (also translated as "the adventurers") moved back and first reached an uninhabited island where they found "a huge quantity of sheep the meat of which was bitter and uneatable" and, then, "continued southward" and reached the above reported island where they were soon surrounded by barques and brought to "a village whose inhabitants were often fair-haired with long and flaxen hair and the women of a rare beauty". Among the villagers, one spoke Arabic and asked them where they came from. Then the king of the village ordered them to bring them back to the continent where they were surprised to be welcomed by Berbers.

Apart from the marvellous and fanciful reports of this history, the most probable interpretation is that the Mugharrarin reached the Sargasso Sea, a part of the ocean covered by seaweed, which is very close to Bermuda yet one thousand miles away from the American mainland. Then while coming back, they may have landed either on the Azores, or on Madeira or even on the westernmost Canary Island, El Hierro (because of the sheep). Last, the story with the inhabited island might have occurred either on Tenerife or on Gran Canaria, where the Mugharrarin presumably met members of the Guanche tribe. This would explain why some of them could speak Arabic (some sporadic contacts had been maintained between the Canary Islands and Morocco) and why they were quickly deported to Morocco where they were welcomed by Berbers. Yet, the story reported by Idrisi is an indisputable account of a certain knowledge of the Atlantic Ocean by Andalusians and Moroccans.

Furthermore, al-Idrisi writes an account of eight Mugharrarin all from the same family who set sail from Lisbon (Achbona) in the first half of that century and navigated in the seaweed rich seas beyond the Azores.

Idrisi describes an island of cormorants with which has been tentatively identified as Corvo, Cape Verde but on weak grounds.

In popular culture

  • Al-Idrisi was the main character in Tariq Ali's book entitled A Sultan in Palermo.
  • Al-Idrisi is a major character in Karol Szymanowksi's 1926 opera King Roger.
  • Al-Idrisi's ideas on Mare Tenebrarum are alluded to in Pascal Mercier's book entitled Night Train to Lisbon.
  • Al-Idrisi's works had a profound influence on European writers such as: Marino Sanuto the Elder, Antonio Malfante, Jaume Ferrer and Alonso Fernández de Lugo.
  • The popular IDRISI GIS system, developed by Clark University, is named after Muhammad al-Idrisi
  • In 2010, the Government of Mauritius unveiled a planisphere of al-Idrisi at Travellers's Lane, initiated by semiologist Khal Torabully, at the Jardin de la Compagnie, Port-Louis, to pay hommage to the work of the geographer.


  • Ahmad, S. Maqbul, ed. and trans. (1960), India and the neighbouring territories in the "Kitab nuzhat al-mushtaq fi'khtiraq al-'afaq" of al-Sharif al-Idrisi, Leiden: Brill.
  • Ahmad, S. Maqbul (1992), "Cartography of al-Sharīf al-Idrīsī", in Harley, J.B.; Woodward, D. (eds.), The History of Cartography Vol. 2 Book 1: Cartography in the traditional Islamic and South Asian Societies (PDF), Chicago: University of Chicago Press, pp. 156–174, ISBN 978-0-226-31635-2.
  • Al-Idrisi (1592), De Geographia Universali : Kitāb Nuzhat al-mushtāq fī dhikr al-amṣār wa-al-aqṭār wa-al-buldān wa-al-juzur wa-al-madā' in wa-al-āfāq, Rome: Medici.
  • Al-Idrisi (1970–1984), Opus geographicum: sive "Liber ad eorum delectationem qui terras peragrare studeant." (9 Fascicles) (in Arabic), Edited by Bombaci, A. et al., Naples: Istituto Universitario Orientale. A critical edition of the Arabic text.
  • Jaubert, P. Amédée, trans. & ed. (1836–1840), Géographie d'Édrisi traduite de l'arabe en français d'après deux manuscrits de la Bibliothèque du roi et accompagnée de notes (2 Vols), Paris: L'imprimerie RoyaleCS1 maint: extra text: authors list (link). Volume 1: Gallica / Internet Archive; Volume 2: Gallica / Internet Archive. Complete translation of Nuzhat al-mushtāq fī ikhtirāq al-āfāq into French.
  • Levtzion, Nehemia; Hopkins, John F.P., eds. (2000), Corpus of Early Arabic Sources for West Africa, New York, NY: Marcus Weiner Press, pp. 104–131, ISBN 978-1-55876-241-1. First published in 1981. Section on the Maghrib and Sudan from Nuzhat al-mushtaq fi ikhtiraq al-afaq.
  • Sionita, Gabriel; Hesronita, Joannes, trans. & eds. (1619), Geographia nubiensis: id est accuratissima totius orbis in septem climata divisi descriptio, continens praesertim exactam vniuersae Asiae, & Africae, rerumq[ue] in ijs hactenus incognitarum explicationem, Paris: Hieronymi BlageartCS1 maint: extra text: authors list (link).
  • Ferrer-Gallardo, X. and Kramsch, O. T. (2016), Revisiting Al-Idrissi: The EU and the (Euro)Mediterranean Archipelago Frontier. Tijdschrift voor economische en sociale geografie, 107: 162–176. doi:10.1111/tesg.12177 http://onlinelibrary.wiley.com/doi/10.1111/tesg.12177/abstract
The contents of this page are sourced from Wikipedia article on 15 Mar 2020. The contents are available under the CC BY-SA 4.0 license.
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