Is Mexico City the capital of Mexico?

Since pre-Columbian times (14th century) it became the political, economic and cultural capital of Mexico. When Spanish conquistadores conquered Mexico in the 16th century, it was deemed natural to...

Mexico City became the capital in 1821

Because it is: Mexico City is the economic, political and cultural capital of the country of Mexico.

When the Spanish conquered the Aztec empire, they decided to have the capital of the new colony to be the same capital of the ancient empire (Tenochtitlan). When Mexico won its independence war...

it came from a Aztec city named Mexico