Explanation:

The Headquarters of the Arab League is located in Tahrir Square district of Cairo, Egypt. It was founded in Cairo in March 1945.
 The League of Arab States, or Arab League, is a voluntary association of countries whose peoples are mainly Arabic speaking or where Arabic is an official language. Its stated aims are to strengthen ties among member states, coordinate their policies and direct them towards a common good. It has 22 members including Palestine, which the League regards as an independent state. The 22 members of the Arab League as of 2018 were Algeria, Bahrain, Comoros, Djibouti, Egypt, Iraq, Jordan, Kuwait, Lebanon, Libya, Mauritania, Morocco, Oman, Palestine, Qatar, Saudi Arabia, Somalia, Sudan, Syria, Tunisia, the United Arab Emirates and Yemen.