 UCL is regarded as forming part of the ‘golden triangle’, an unofficial term for a set of leading universities located in the southern English cities of Cambridge, London and Oxford including the universities of Cambridge and Oxford, Imperial College London, King's College London and the London School of Economics.UCL has been a member of the League of European Research Universities since January 2006.It is currently one of five British members (the others being the universities of Cambridge, Edinburgh and Oxford and Imperial College London).