As of March 2013, there were 82,693 mosques in Turkey. The province with the highest number of mosques (3,113) was Istanbul and the lowest number (117) was Tunceli Province. This reflected an increase of mosques by 7,324 in the 10-year period since 2003.
Turkish Grand Mosques or Ulucami, a title originally given to the grandest Friday mosque of a Turkish city where local citizens traditionally gathered en masse for Friday Prayers, though today it is common for Muslims in a single city to gather in several different mosques for these prayers.