According to Leon Maccas, Greek diplomat and director of Les Etudes Franco-Grecques, in his work L'Hellenisme de l'Asie Minuere, Paris 1919, the Greek population in the Pontus region after the First World War (1918) was 464,530. In the same work, Leon Maccas states that out of a 10,685,574 Ottoman population, 7,256,147 were Turks, 2,452,151 were Greeks, 649,540 were Armenians, 6,381 Bulgarians, etc.
His estimate for the Pontus region can be broken down as follows.
| Vilayet | #Greeks |
| Kastamonu (Inepolis, Sinope, Baiombat, Aiantzik) | 11,621 |
| Trapezunta (Trapezunta, Sourmena, Platana, Kerasunta, Korala, Tripoli, Ordu, Matsuka, Amisos, Fatsa, Oinoi, Tsarsamba, Pafra, Rizaion, Hopa, Ofis, Gumushane, Ardassa, Cheriana) | 353,533 |
| Sevasteia (Sevasteia, Amaseia, Metzit, Ouzou, Merzifon, Lantik, Kavza, Bezirkioporou Karahisar, Sarki, Koilahisar, Resudiye, Tokat, Neocaesarea, Erpaa) | 99,376 |
| Total | 464,530 |
More specifically, according to L.Maccas, the vilayet of Trapezunta which comprised the following sanjaks, had Greek populations as follows.
Sanjak Trapezunta 154,774
Sanjak Tsanik 136.087
Sanjak Lazistan 2,924
Sanjak Gumushane 59,748.
The vilayet of Sevasteia had the following number of Greeks.
Sanjak Sevasteia 7,702
Sanjak Amaseia 36,739
Sanjak Karahisar Sarki (Nikopolis) 22,761
Sanjak Tokat 15,058
The vilayet of Kastamonu consisted of:
Inepolis 3,635
Vilayet Sinope 5,689
Bayombat 986 and
Ayiantzik 1,311
Total: 464,530
Source:
- The Encyclopedia of Pontian Hellenism, 2 Volume Set, Vol 2.
- Greece: the modern sequel: from 1821 to the present. page 285