Kastania may refer to:Kastania, Ioannina, Greece Kastania, Laconia, Greece Kastania, Pieria, Greece Kastania, Trikala, Greece Kastania, Kozani, Greece Kastania Cave Siege of Kastania, fought in July 1780 Kastania, a mountain of Arcadia, the ancient Cnacalus Kastania, a village of Koumanis in Elis, Greece