Kokkinia (Greek: Κοκκινιά, before 1927: Σούμπινο – Soumpino)[2] is a village and a community of the Grevena municipality.

[4] Soumpino was a mixed village and a part of its population were Greek speaking Muslim Vallahades.

[5][6] The 1920 Greek census recorded 459 people in the village, and 200 inhabitants (50 families) were Muslim in 1923.

[7] Following the Greek–Turkish population exchange, Greek refugee families in Soumpino were from Asia Minor (10) and Pontus (43) in 1926.

[7] Nea Trapezounta, a neighbourhood of Kokkinia populated by Greek refugees was listed as a separate new village in the 1981 census.