Al-Quds Mosque Hamburg (Arabic: , meaning "Jerusalem", or Masjid Taiba ) was a mosque in Hamburg, Germany between 1993 and 2010 when it was shut down by Germany security officials. The mosque is known for preaching a radical form of Sunni Islam. Al-Quds mosque was attended by some of the September 11 attackers including Mohamed Atta, Marwan al-Shehhi, Ramzi bin al-Shibh, and Ziad Jarrah who formed the Hamburg cell.