Borġ in-Nadur is an archaeological site located in open fields overlooking St George's Bay, near Birżebbuġa, Malta. It is occupied by a Tarxien phase megalithic temple as well as the remains of a Bronze Age village which includes the earliest fortification in Malta. The site is located close to various Bronze Age cart ruts and silos, as well as Saint George Redoubt which was built thousands of years later in 1715–1716.