Can anybody tell me what kind of risk there is if a 23 year old female would have if she travels Italy alone?

Pleae help this is information i need as well as my cousin, I'm asking anybody to answer. What kind of risk would i face if i went to travel Italy alone, i'm a 23 year old female, and i want to travel Italy for 6 months by myself. I have done alot of research and now i wish to here personal answers.