The flag of the Kingdom of Saudi Arabia (Arabic: علم المملكة العربية السعودية) is the flag used by the government of Saudi Arabia since 15 March 1973.

It is a green flag featuring in white an Arabic inscription and a sword. The inscription is the Islamic creed, or shahada: "There is no god but Allah; Muhammad is the Messenger of Allah".
Kingdom of Saudi Arabia
لَا إِلٰهَ إِلَّا الله مُحَمَّدٌ رَسُولُ الله
("There is no God but Allah; Muhammad is the Messenger of Allah")
UseState and war flag, state and naval ensignProportion2:3Adopted1744; 278 years ago (original version, It was at the establishment of the first Saudi state, it continued to the second and the beginning of the third)
February 4, 1973; 49 years ago (current version, As defined by the Saudi royal decree)DesignA green field with the Shahada or Muslim creed written in the Thuluth script in white above a horizontal sword, having its tip pointed to the left.
Variant flag of Kingdom of Saudi Arabia
UseState and war flag, state and naval ensignProportion2:3DesignA green field with simpler Shahada written in the Thuluth script in white above a horizontal sword, having its tip pointed to the left.