1. The United Nations
Established in 1945, with to maintain international peace and security , to develop friendly relations among nations, to cooperate in solving international economic, social, cultural and humanitarian problems and in promoting respect for human rights and fundamental freedoms, and to be a center for harmonizing the actions of nations, its principal organs are : General Assembly, Security Council, Economic and Social Council, Trusteeship Council, International Court of Justice and Secretariat The united nations family, however, is much larger, encompassing 15 agencies and several programmes and bodies (such as UNESCO, the UN Children's Fund (UNlCEF) and the UN Development Programme (UNDP).

2. European Union(EU)
The European Union (EU) was set up after the 2nd world war in it was founded to enhance political , economic, and social cooperation between the members. The EU has 25 member states (Austria, Belgium. France, United Kingdom, Netherlands, Finland, Germany, Spain, Portugal, Greece, Ireland, Sweden, Luxemburg, Italy, and Denmark, Plus 13 eastern and southern European countries.

3. Cairo is the headquarter of the league.
Arab League(AL)
Founded in 1945, with the purpose of strengthening the relations between the member- states, coordinating their policies in order to achieve co- operation between them and to safeguard their independence and sovereignty, and a general concern with the affairs and interests of the Arab countries. It is composed of 22 independent Arab states, which are Algeria, Bahrain, Comoros, Djibouti, Egypt, Iraq, Jordan. Kuwait, Lebanon, Libya, Mauritania, Morocco, Oman, Palestine, Qatar, Saudi Arabia, Somalia, Sudan, Syria, Tunisia, United Arab Emirates, and Yemen.
Cairo is the headquarter of the league.

4. African Union
The African Union was officially launched in Durban, South Africa, on 9 July 2002 to replace the organization of African Unity. Its structure is based loosely on that of the European Union. The African Union upholds the sovereign equality and independence of its 53 member states and aims to promote peace, security and solidarity on the African continent. The AU has a parliament, a central bank, and a court of justice

5. North Atlantic Treaty organization(NATO)
It is an alliance of 19 countries from North America and Europe committed to fulfilling the goals of the north atlantic treaty signed in In accordance to the treaty, the fundamental role of the NATO is to safe guard the freedom and security of its member countries by political and military means.

6. Association of southeast Asian nations(ASEAN)
The ASEAN nations came together in1967, with three main objectives in mind to promote the economic, social and cultural development of the region through cooperative programmes, to safeguard the political and economic stability of the region against big power rivalry and to serve as a forum for the resolution of intraregional differences. The ASEAN member countries are : Brunei, Darussalam, Cambodia, Indonesia,
Laos, Malaysia, Myanmar, the Philippines, Singapore, Thailand and Vietnam.

7. Common Market for Eastern and Southern Africa(COMESA)
Was established in December Its main focus is on the formation of a large economic and trading unit capable of overcoming some of the barriers faced by individual states.

8. Gulf Cooperation Council(GCC)
The GCC is a loose confederation, which serves only as a policy- coordinating forum for its members. Since it cannot impose trade policies upon its member states, each is free to pass and enforce its own trade laws. It includes six member states (Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and United Arab Emirates (U.A.E).