What is the population?
around 17 million
What did they do in 1996?
Its citizens first elected a chief of government
What is another name for this?
mayor
What happened before that?
the city was granted autonomy
Where did the city's leader come from before?
the mayor was directly appointed
By whom?
the President of the Republic.
Is it a small city?
No
What is its rank?
it is the most populous city of Argentina
Is it in a Province?
No
Since when?
1994