Sheffield may be the fourth biggest city in England, but really it's just like a bunch of villages joined together. There is a real sense of community in the city. But, as with anywhere new, there's a lot of fun to be had exploring and experiencing things for yourself. Here is some information that might help you get around.
Student guide to the city: https://www.ucas.com/study-in/study-sheffield
Interactive maps: https://ssid.sheffield.ac.uk/campus-map/
Sheffield - Our City: https://www.sheffield.ac.uk/study/city