Biggest Mosques in the World 

Masjid al-Haram Mecca, Saudi Arabia

Al-Masjid an-Nabawi Medina, Saudi Arabia

Grand Jamia Mosque Karachi, Pakistan

Imam Reza shrine Masshad, Iran

Al-Aqsa Mosque Compound East Jerusalem, Palestine 

Faisal Mosque Islamabad, Pakistan 

Astana Grand Mosque Astana, Kazakhstan 

Istiqlal Mosque Jakarta, Indonesia 

Taj-ul-Masajid Bhopal, India