The Delaware Valley is a region in the northeastern United States, primarily surrounding the Delaware River. It includes parts of Pennsylvania, New Jersey, and Delaware. The area is known for its rich history, diverse communities, and significant urban centers, including Philadelphia, which is the largest city in the region. The Delaware Valley is characterized by a mix of urban and rural landscapes, featuring parks, rivers, and historical sites. It serves as an important economic hub, with industries such as healthcare, education, and manufacturing playing key roles. The region also offers various recreational activities, including hiking, fishing, and cultural events.