400,000 in Greece (2009 Z. Diakonikolaou). Total users in all countries: 1,178,000.
Epirus and Western Macedonia, and Macedonia and Thrace administrative units: all of Serrai, Kilkis, and Pella; Thessaloniki except for portion south of Kalamaria borough; fringe enclaves in Drama and Imathia.
Youth may speak standard Greek as L1. Speakers in North America reportedly maintain the use of Pontic more zealously than those in Greece.
Brought to Greece in the 1920s and 1930s by immigrants from the Black Sea coast, which had been inhabited by Greeks since antiquity.