Barby Castle is a historic site located in the village of Barby, Northamptonshire, England. The castle was originally built in the 12th century and served as a defensive structure during medieval times. Although much of the original structure has been lost, remnants of the castle can still be seen today, including earthworks and foundations. The site is notable for its strategic position overlooking the surrounding landscape, which provided a vantage point for monitoring potential threats. Barby Castle is also linked to the Norman Conquest and reflects the architectural styles of its time, making it an interesting subject for historians and visitors alike.