The flag of the United Arab Emirates contains the Pan-Arab colors red, green, white, and black.
The United Arab Emirates, sometimes simply called the Emirates or the UAE, is a federal absolute monarchy in Western Asia at the southeast end of the Arabian Peninsula on the Persian Gulf, bordering Oman to the east and Saudi Arabia to the south, as well as sharing maritime borders with Qatar to the west and Iran to the north.
Flag and anthem of United Arab Emirates by TheFlag&AnthemGuy
Merchant ships may fly the alternative civil ensign, a red flag with the national flag in the canton.
A civil ensign is an ensign used by civilian vessels to denote their nationality.