Welwyn is a village located in Hertfordshire, England. It is part of the Welwyn Hatfield district and is known for its picturesque countryside and historical significance. The village features a mix of traditional and modern architecture, with several local amenities, including shops, schools, and parks. The area is also home to the Welwyn Roman Baths, which are remnants of a Roman villa from the 3rd century. Additionally, the nearby Welwyn Garden City was designed in the early 20th century as a planned community, emphasizing green spaces and a balanced urban environment.