The Markazi Masjid ("Central Mosque"), also known as the Dewsbury Markaz or Dar ul Ulum ("House of Knowledge"), is a mosque in the Savile Town area of Dewsbury, West Yorkshire. With a maximum capacity of 4,000, it is one of the largest mosques in Europe. It is the European headquarters of the Tablighi Jamaat movement, and also houses the Institute of Islamic Education (Arabic: جامعات تعليم الإسلام‎, romanized: ‘Jāmi’at Ta’līm al-Islām), an independent day and boarding faith school for boys aged 13–25 and one of the two main Islamic seminaries in the UK. The mosque serves as a centre for Tablighi Jamaat's missionary activity throughout Europe.