Nigeria’s many ethnic populations roughly divide into the North of the country with the Hausa peoples, Igbo in the East and Yoruba in the West.
Flattery will get you far in the Yoruba region. 'Praise Singers' perform complimentary songs about businessmen, footballers or politicians, and in return get 'sprayed' with money. This, surprise, surprise, is called Spraying! (Sounds a bit messy)
The highest proportion of UK Nigerians live in south London.