Mexico City. With 21.16 million inhabitants (ranked 3rd in the world), it is probably the busiest city in the Americas.
the busiest city would either be New York or Hollywood.
Marseille is the busiest port in France, and the busiest port on the Mediterranean sea, and the third-busiest in Europe.
Santa Fe
atlanta
Boston
kochi and thiruvananthapuram (state capital) are the busiest cities of kerala.
new york
Atlanta
Rotterdam
Chichén Itza ;D
The capital city of Mexico is Mexico City.
Auckland city museum in New Zealand.