Question
Which is the correct use of a comma separating cities and state
I have been to Paris, France and Florence, Italy.
• I have been to Paris, France, and Florence Italy.
• I have been to Paris France, and Florence Italy
• I have been to Paris, France, and Florence, Italy.
Answer
The correct use of a comma separating cities and state is: "I have been to Paris, France, and Florence, Italy."