Diamond City is a fictional settlement in the popular video game series Fallout. Located in the Commonwealth, it is built within the ruins of Fenway Park in Boston, Massachusetts. The city is known for its vibrant community and serves as a hub for trade, information, and social interaction among survivors in the post-apocalyptic world. The settlement is characterized by its unique architecture, which incorporates the stadium's structure, and features various shops, bars, and homes. Diamond City is often referred to as the "Great Green Jewel" due to its lively atmosphere and the presence of Diamond City Radio, a popular radio station that broadcasts music and news to the surrounding areas.