The Politis–Kalfov Protocol (Bulgarian: Спогодба „Калфов-Политис“; Greek: Πρωτόκολλο Πολίτη - Καλφώφ) was bilateral document signed at the League of Nations in Geneva in 1924 between Greece and Bulgaria and was concerning the “protection of the Bulgarian minority in Greece.” However it was not ratified by the Greek side.