Hillingdon of London borough is large and situated in the greater London region. Places of interest such as the Heathrow airport and the Brunel University are situated in Hillingdon. Apart from the places of interest mentioned above the borough is also home to in excess of 200 eco-friendly spaces such as the Hillingdon Outdoor Activity Centre [HOAC] as well as a few football clubs that are not participating in the leagues. Hillingdon has a huge economy because of the presence of British Airways and the Guoman Hotel Management.