Question

What is the setting of time and place of the last leaf​

Answer 1

Greenwich Village
The story first appeared on October 15, 1905, in the New York World. The story is set in Greenwich Village during a pneumonia epidemic. It tells the story of an old artist who saves the life of a young neighbouring artist, dying of pneumonia, by giving her the will to live.

Answer 2

The story is set in New York City's Greenwich Village. This was a popular hangout for artists and other creative types back in the day. Johnsy has a fantasy (fantasy meaning "imagination") that she will die when the last leaf on the ivy vine falls.