Middlesbrough F.C. with supporters' clubs across the globe. The largest supporters' clubs include the Official Supporters' Club, the Middlesbrough Disabled Supporters' Association, Yarm Reds, Red Faction and Middlesbrough Supporters South. Middlesbrough supporters' main rivals are Sunderland (with whom they contest the Tees–Wear derby), Newcastle United (with whom they contest the Tyne–Tees derby), and Leeds United, a fact confirmed by planetfootball.com's 2004 survey. Carlisle United see Middlesbrough as their biggest rivals, but Middlesbrough supporters have not reciprocated, as they do not see Carlisle as a top three rival. The nickname "Smoggies" was first used as a derogatory term by opposing supporters; it relates
Middlesbrough borough. The town is made up of the borough, as well as the suburbs which make up the area known as Greater Eston, which is to the east of the borough in Redcar and Cleveland. Greater Eston does not have a very high ethnic minority population, which makes the town less ethnically diverse than the smaller borough. In the borough of Middlesbrough, 14.0% of the population were non-white British, compared with only 11.6% for the town. This makes the town about as ethnically diverse as Exeter. Additionally, it has a lower white British population than Gateshead and South Shields which