Banitsa (Greek: Καρυαί - Karié, Bulgarian/Macedonian: Баница, Banitsa or Banica) is a deserted former village in Serres regional unit, northern Greece. Its ruins are situated some 15 km north-east of the town of Serres, near the present-day village of Oreini, on the southern slopes of the Vrontous mountains. During the Ottoman period it had a Bulgarian population.