Flag of Greece los reynos" depicts the flag of "the Empire of Constantinople" combining the red-on-white Cross of St George with the "tetragrammatic cross" of the ruling house of the Palaiologoi, featuring the four betas or "pyrekvola" ("fire-steels") on the flag quarters representing the imperial motto Βασιλεύς Βασιλέων Βασιλεύων Βασιλευόντων ("King of Kings Reigning over those who Rule"). The tetragrammatic cross flag, as it appears in quarters II and III in this design, is well documented. In the same Spanish atlas this "plain" tetragrammatic cross flag is presented as (among other places in the Empire) "the Flag of Salonika" and "the real Greece
Flag of Greece the royal flags, which featured the coat of arms of the House of Schleswig-Holstein-Sonderburg-Glücksburg on a square version of the national flag. A square version of the land flag with St. George in the centre was adopted on 9 April 1864 as the Army's colours. The exact shape and usage of the flags was determined by Royal Decree on 26 September 1867. By a new Royal Decree, on 31 May 1914, the various flags of Greece and its military were further regulated. By this decree, the flag with the crown was adopted for use as a state flag by ministries,