Mecca scholarship governed by the Hashemite Sharifs. In 930, Mecca was attacked and sacked by Qarmatians, a millenarian Ismaili Muslim sect led by Abū-Tāhir Al-Jannābī and centered in eastern Arabia. The Black Death pandemic hit Mecca in 1349. In 1517, the Sharif, Barakat bin Muhammed, acknowledged the supremacy of the Ottoman Caliph but retained a great degree of local autonomy. In 1803 the city was captured by the First Saudi State, which held Mecca until 1813. This was a massive blow to the prestige of the (Turkish) Ottoman Empire, which had exercised sovereignty over the holy city since 1517. The Ottomans
Mecca the "Hollow of Mecca". The area contains the valley of Al Taneem, the Valley of Bakkah and the valley of Abqar. This mountainous location has defined the contemporary expansion of the city. The city centers on the Masjid al-Haram area, which is lower than most of the city. The area around the mosque is the old city. The main avenues are "Al-Mudda'ah" and "Sūq al-Layl" to the north of the mosque, and "As-Sūg Assaghīr" to the south. As the Saudis expanded the Grand Mosque in the center of the city, hundreds of houses were replaced by wide avenues and city