Ieropigi (Greek: Ιεροπηγή, before 1927: Κοστενέτσι – Kostenetsi;[2] Bulgarian/Macedonian: Косинец - Kosinets/Kosinec) is a village in Kastoria Regional Unit, Macedonia, Greece.

[3] Following the Greek–Turkish population exchange, Greek refugee families in Kostenetsi were from Pontus (11) in 1926.

[3] In 1945, Greek Foreign Minister Ioannis Politis ordered the compilation of demographic data regarding the Prefecture of Kastoria.

[4] The village Ieropigi had a total of 458 inhabitants, and was populated by 400 Slavophones with a Bulgarian national consciousness.

[5] By the 1950s, the Greek government assisted a group of nomadic transhumant Aromanians to settle in depopulated villages of the area like Ieropigi.