The prophet mosque is a mosque which is build by the prophet and is was the first mosque of the muslims.this mosque is popular because this is build by the prophet and this will be named after her.this mosque is very beautiful looking and this has many minarets and it contains the tomb of the prophet mohammed.the muslims pray in the mecca's direction and at first  they pray in the direction of baitul mukkhadas .and there are many mosques are there in the world.in the world there is 2.5 million(20 lakhs and fifty thousand)mosques.and the big mosque in the world is the masjid al-haram in mecca,saudi arabia and the 2nd largest mosque in the world is the medinah's mosque.