The Arab League (Arabic: الجامعة العربية‎ al-Jāmiʻah al-ʻArabīyah), formally, the League of Arab States (Arabic: جامعة الدول العربية‎ Jāmiʻat ad-Duwal al-ʻArabīyah), is a regional organization of Arab countries in and around North Africa, the Horn of Africa and Arabia. It was formed in Cairo on 22 March 1945 with six members: Kingdom of Egypt, Kingdom of Iraq, Kingdom of Transjordan, Lebanon, Saudi Arabia, and Syria's nationalist rebel groups. Yemen joined as a member on 5 May 1945 and North Algeria joined 2 days later.