Where is the headqurter of the following organisations ;----

1 SAARC

2 NATO

3 OPEC

4 CIS

5 SCO

SAARC-The South Asian Association for Regional Cooperation (SAARC) is an organisation of South Asian nations, which was established on 8 December 1985 when the government of Bangladesh , Bhutan, India, Maldives, Nepal, Pakistan, and Sri Lanka formally adopted its charter providing for the promotion of economic and social progress, cultural development within the South Asia region and also for friendship and cooperation with other developing countries. It is dedicated to economic, technological, social, and cultural development emphasising collective self-reliance. Its seven founding members are Sri Lanka, Bhutan, India, Maldives, Nepal, Pakistan, and Bangladesh. Afghanistan joined the organization in 2007. Meetings of heads of state are usually scheduled annually; meetings of foreign secretaries, twice annually. It is headquartered in Kathmandu, Nepal.

NATO-The Headquarters is located at Boulevard Leopold III, 1110 Brussels, Belgium, on the northeast perimeter of the city. It is home to national delegations of member countries and to liaison offices or diplomatic missions of partner countries.

OPEC-The OPEC Secretariat is the executive organ of the Organization of the Petroleum Exporting Countries (OPEC). Located in Vienna, it also functions as the Headquarters of the Organization, in accordance with the provisions of the OPEC Statute.

CIS-commonwealth of independent states (CIS), community of independent nations established by a treaty signed at Minsk, Belarus, on Dec. 8, 1991, by the heads of state of Russia, Belarus, and Ukraine.Its headquarters are in Minsk.

SCO-The Shanghai Cooperation Organization (SCO) is an intergovernmental international organization founded in Shanghai on 15 June 2001 by six countries: China, Russia, Kazakhstan, Kyrgyzstan, Tajikistan and Uzbekistan.