Yes, Diamond City is a real place. It's a hamlet located in southern Alberta, Canada.
Details About Diamond City, Alberta
Diamond City is situated within Lethbridge County. Specifically, it's found along Highway 25, approximately 13 kilometers (8.1 miles) north of the city of Lethbridge. While perhaps not as bustling as its namesake in the Fallout universe, it's a tangible location in Canada.
