Question: What is the Mexican name for the historic center?

Is West of the Historic Center (Centro Historico) along Paseo de la Reforma are many of the city's wealthiest neighborhoods such as Polanco, Lomas de Chapultepec, Bosques de las Lomas, Santa Fe, and (in the State of Mexico) a good answer to this question?

Possible answers:
(I). yes;
(II). no;
(I).