The flag of Saudi Arabia is the flag used by the government of Saudi Arabia

Saudi Arabia

The Kingdom of Saudi Arabia , commonly known in British English as Saudi Arabia and in Arabic as as-Sa‘ūdiyyah , is the largest state in Western Asia by land area, constituting the bulk of the Arabian Peninsula, and the second-largest in the Arab World...

 since March 15, 1973. It is a green flag featuring in white an Arabic

Arabic language

Arabic is a name applied to the descendants of the Classical Arabic language of the 6th century AD, used most prominently in the Quran, the Islamic Holy Book...

 inscription and a sword

Sword

A sword is a bladed weapon used primarily for cutting or thrusting. The precise definition of the term varies with the historical epoch or the geographical region under consideration...

. The script on the flag is written in the Thuluth

Thuluth

Thuluth is a script variety of Islamic calligraphy invented by the Persian Ibn Muqlah Shirazi, which made its first appearance in the 11th century CE . The straight angular forms of Kufic were replaced in the new script by curved and oblique lines. In Thuluth, one-third of each letter slopes, from...

script. It is the shahada

Shahada

The Shahada , means "to know and believe without suspicion, as if witnessed"/testification; it is the name of the Islamic creed. The shahada is the Muslim declaration of belief in the oneness of God and acceptance of Muhammad as God's prophet...

or Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

ic declaration of faith:

لا إله إلا الله محمد رسول الله

lā ’ilāha ’illa-llāh muḥammadun rasūlu-llāh

"There is no god but Allah

God in Islam

In Islamic theology, God is the all-powerful and all-knowing creator, sustainer, ordainer, and judge of the universe. Islam puts a heavy emphasis on the conceptualization of God as strictly singular . God is unique and inherently One , all-merciful and omnipotent. According to the Islamic...

 and Muhammad

Muhammad

Muhammad |ligature]] at U+FDF4 ;Arabic pronunciation varies regionally; the first vowel ranges from ~~; the second and the last vowel: ~~~. There are dialects which have no stress. In Egypt, it is pronounced not in religious contexts...

 is the messenger of Allah

God in Islam

In Islamic theology, God is the all-powerful and all-knowing creator, sustainer, ordainer, and judge of the universe. Islam puts a heavy emphasis on the conceptualization of God as strictly singular . God is unique and inherently One , all-merciful and omnipotent. According to the Islamic...

"

The sword

Sword

A sword is a bladed weapon used primarily for cutting or thrusting. The precise definition of the term varies with the historical epoch or the geographical region under consideration...

 symbolizes justice.

Green flags bearing this or other Arabic

Arabic alphabet

The Arabic alphabet or Arabic abjad is the Arabic script as it is codified for writing the Arabic language. It is written from right to left, in a cursive style, and includes 28 letters. Because letters usually stand for consonants, it is classified as an abjad.-Consonants:The Arabic alphabet has...

 scripts are frequently seen in Islam

Islam

Islam . The most common are and .   : Arabic pronunciation varies regionally. The first vowel ranges from ~~. The second vowel ranges from ~~~...

 and should not be confused with the Saudi national flag.