Brent South is a long strip on the southern border of the borough of Brent encompassing a diverse mixture of areas.
The seat includes the Wembley Central area, including Wembley Stadium, where the greatest concentration of Asians in the constituency live.
The Lib Dems are strong here and hold Alperton and Barham wards on Brent Council.
The constituency also has a large African Carribbean population.
It has significant social problems not least poor housing conditions and high crime levels. One in 10 households are single parent families.
But also includes the Tokyngton ward which is a more affluent residential area, where the population is 62% non-white.
This seat has the highest ethnic minority population in England and Wales.
It is regarded a safe Labour seat and its MP Paul Boateng, a Home Office minister, recorded a majority of nearly 20,000 votes at the last election.
Mr Boateng is one of a handful of ethnic minority MPs in the Commons.