A large number of Muslims in London are descendants of immigrants from South Asia especially India, Bangladesh and Pakistan. There are also a significant population of Muslims from Arab countries and from the Maghreb region (Algeria and Egypt).
The main Masjid in the city is the London Central Masjid, the Islamic Cultural Centre, ICC or Regent's Park Masjid. It is located in North London and can hold up to 5000 worshippers. The East London Masjid and London Muslim Centre in the borough of Tower Hamlets and serves the largest Muslim community in the city.
London is a huge city with numerous districts and areas. There are some areas that have more than one Masaajid and finding them is not difficult. Visitors can ask around with locals about Masaajid near the area where they are staying. The hotel concierge can also give you directions to finding the nearest Masjid.