"Oh where, oh where am I"
clue #1) this city was founded in September 4, 1781, by Spanish governor Felipe de Neve as “The Village of Our Lady, the Queen of the Angels of Porziuncola”.
clue #2) it is one among the world’s centers for science, technology, global trade, entertainment, culture, fashion, business, education and media.
clue #3 ...
only if you cannot guess with 1 and 2