Pistiko (, before 1927: àùÃÂúàâ Pisko) is a village of the Grevena municipality. Before the 2011 local government reform it was a part of the municipality of Ventzio. The 2021 census recorded 29 residents in the village. Pistiko is a part of the community of Knidi. According to the statistics of Vasil Kanchov ("Macedonia, Ethnography and Statistics"), 255 Vallahades (Grecophone Muslims) lived in the village in 1900.