Please answer the following question: Information:  - A treaty is an agreement under international law entered into by actors in international law, namely sovereign states and international organizations. A treaty may also be known as an (international) agreement, protocol, covenant, convention, pact, or exchange of letters, among other terms. Regardless of terminology, all of these forms of agreements are, under international law, equally considered treaties and the rules are the same.  - The Universal Declaration of Human Rights (UDHR) (text) is a declaration adopted by the United Nations General Assembly on 10 December 1948 at the Palais de Chaillot, Paris. The Declaration arose directly from the experience of the Second World War and represents the first global expression of what many people believe to be the rights to which all human beings are inherently entitled. The full text is available on the United Nations website.  - The right to health is the economic, social and cultural right to a universal minimum standard of health to which all individuals are entitled. The concept of a right to health has been enumerated in international agreements which include the Universal Declaration of Human Rights, International Covenant on Economic, Social and Cultural Rights and the Convention on the Rights of Persons with Disabilities. However, there remains some international variation in the interpretation and application of the right to health due to considerations such as how health is defined, what minimum entitlements are encompassed in a right to health, and which institutions are responsible for ensuring a right to health.  - The United Nations (UN) is an intergovernmental organization to promote international co-operation. A replacement for the ineffective League of Nations, the organization was established on 24 October 1945 after World War II in order to prevent another such conflict. At its founding, the UN had 51 member states; there are now 193. The headquarters of the United Nations is in Manhattan, New York City, and experiences extraterritoriality. Further main offices are situated in Geneva, Nairobi, and Vienna. The organization is financed by assessed and voluntary contributions from its member states. Its objectives include maintaining international peace and security, promoting human rights, fostering social and economic development, protecting the environment, and providing humanitarian aid in cases of famine, natural disaster, and armed conflict.  - The United Nations General Assembly (UNGA, GA, or "AG") is one of the six principal organs of the United Nations and the only one in which all member nations have equal representation. The General Assembly (GA) is the main deliberative, policymaking and representative organ of the UN. Its powers are to oversee the budget of the United Nations, appoint the non-permanent members to the Security Council, receive reports from other parts of the United Nations and make recommendations in the form of General Assembly Resolutions. It has also established a wide number of .  - International law is the set of rules generally regarded and accepted as binding in relations between states and between nations. It serves as a framework for the practice of stable and organized international relations. International law differs from state-based legal systems in that it is primarily applicable to countries rather than to private citizens. National law may become international law when treaties delegate national jurisdiction to supranational tribunals such as the European Court of Human Rights or the International Criminal Court. Treaties such as the Geneva Conventions may require national law to conform to respective parts.  - The International Covenant on Economic , Social and Cultural Rights ( ICESCR ) is a multilateral treaty adopted by the United Nations General Assembly on 16 December 1966 , and in force from 3 January 1976 . It commits its parties to work toward the granting of economic , social , and cultural rights ( ESCR ) to the Non-Self - Governing and Trust Territories and individuals , including labour rights and the right to health , the right to education , and the right to an adequate standard of living . As of 2015 , the Covenant has 164 parties . A further six countries , including the United States , have signed but not ratified the Covenant . The ICESCR is part of the Declaration on the Granting of Independence to Colonial Countries and Peoples , International Bill of Human Rights , along with the Universal Declaration of Human Rights ( UDHR ) and the International Covenant on Civil and Political Rights ( ICCPR ) , including the latter 's first and second Optional Protocols . The Covenant is monitored by the UN Committee on Economic , Social and Cultural Rights .    After reading the paragraphs above, we are interested in knowing the entity with which 'international covenant on economic' exhibits the relationship of 'location'. Find the answer from the choices below.  Choices: - geneva  - headquarters of the united nations  - manhattan  - paris  - york
A:
headquarters of the united nations