Carlow Castle is a historic structure located in Carlow, Ireland. Built in the 13th century, it was originally constructed by the Anglo-Normans to control the surrounding area. The castle features a large round tower and thick stone walls, showcasing the architectural style of its time. Over the centuries, Carlow Castle has undergone various changes and restorations. Today, it stands as a prominent landmark and a reminder of Ireland's medieval history. The castle is situated near the River Barrow, making it a picturesque site for visitors interested in exploring Ireland's rich heritage.