To know in which direction they must pay. They must face Al-Kaba in Mecca, KSA.
Yes, of course, Muslims go to mosques for the 5 daily praying, for Friday praying, for the feast praying, for night praying during the month of Ramadan, and for many other purposes.
Before praying, Muslims perform ablution, so as to cleanse their body and make 'Niyaat' (intention of praying).
Muslims praying house is called masjid (or mosque)
If you who Muslims worship, then the answer is Allah (God in English). If you mean praying by your saying worship, then the answer is that the Imam is the one who leads Muslims during praying.
To Pray.It refers to the praying of the Muslims.
The Qibla (which the direction of the Muslims during praying) is to face Kaaba when the Muslim is praying.
they wash before praying to show respect to there god, Allah
Muslims salute Allah through praying and tsabeeh.
IN INDIA AS FAR AS MY KNOWLEDGE SAYS THE BIGGEST PRAYING GROUND FOR MUSLIMS IS JAMA MASJID IN OLD DELHI BUILT BY SHAH JAHAN
Praying with a group of muslims hsa 27/25 darajah then one self
go to youtube and you will see
In order not to distract Muslims while praying.