A simple question, without a simple answer. Rome would be the obvious answer, but it is not THE answer. A picture contains a 1000 words, this audio contains one.
Audio Steganography can hide pictures or words inside music, this one is on it's own, no masking tune. you'll need to SEE this audio to even begin to decipher what the answer is.
Even if you can guess the answer, you'll never KNOW it is right without the picture contained within and a Cipher to decode it.
Once you have the picture, look to Sherlock to get the answer.
If you get the picture, take a snapshot so we can all see it. Then answer the question.