ɪn nˈaɪntiːnhˈʌndɹɪd nˈaɪnti ɪt wʌz ɛnlˈɑːɹdʒd baɪ ɡˈeɪnɪŋ pˈɑːɹt ʌvðə sˈɪɾi ʌv wˈɛstmɪnstɚ fɹʌmðɪ ɐbˈɑːlɪʃt blˈuːmsbɛɹi dˈɪstɹɪkt ɪnðə nˈeɪbɚɹɪŋ nˈɔːɹθ ˈiːst tˈɛmz dˈɪstɹɪkt.
In 1990 it was enlarged by gaining part of the City of Westminster from the abolished Bloomsbury District in the neighbouring North East Thames District.