Tamara Manimekhalai Kunanayakam is a Sri Lankan diplomat.
 She was the former Permanent Representative of Sri Lanka to the United Nations Office at Geneva and Sri Lankan Ambassador to Holy See.
Nanguyalai Tarzi (Persian: ننگیالی طرزی‎ ‎ , Pashto: ننگیالی طرزی‎ ) – is a high-ranking Afghan diplomat who is the Afghan Ambassador to Switzerland and Permanent Representative to the United Nations office and other international organisations based in Geneva.
 Tarzi has been the Afghan Ambassador in India, and before that he was Permanent Representative to United Nations Office at Geneva and Afghan Ambassador to Switzerland, Afghan Ambassador to Pakistan and Director of the United Nations Information Centre in Iran.
 From 1980s to 1990s, Tarzi was Permanent Observer of the Organisation of the Islamic Conference (OIC) to the United Nations, Geneva and Vienna and Senior Political Adviser and Deputy Permanent Observer of the Organisation of the Islamic Conference (OIC) to the United Nations, New York.
 In the 1970s, Tarzi was Afghan Diplomat in Washington D.C., United States.
The Permanent Delegate of Australia to the United Nations Educational, Scientific and Cultural Organization is an officer of the Australian Department of Foreign Affairs and Trade and the head of the delegation of the Commonwealth of Australia to the United Nations Educational, Scientific and Cultural Organization (UNESCO) in Paris, France.
 The position has the rank and status of an Ambassador Extraordinary and Plenipotentiary and is but one of Australia's representatives to the United Nations and its other bodies, shared with the representatives present at the United Nations Office in Geneva, the United Nations Office in Vienna, the United Nations Office at Nairobi, and the delegation to the United Nations Agencies in Rome.
The Palace of Nations (French: Palais des Nations , ] ) is the home of the United Nations Office at Geneva, located in Geneva, Switzerland.
 It was built between 1929 and 1938 to serve as the headquarters of the League of Nations.
 It has served as the home of the United Nations Office at Geneva since 1946 when the Secretary-General of the United Nations signed a Headquarters Agreement with the Swiss authorities, although Switzerland did not become a member of the United Nations until 2002.
Palitha T. B. Kohona, a Sri Lankan born diplomat, was the former Permanent Representative of Sri Lanka to the United Nations (UN).
 Until August 2009 he was the Permanent Secretary to the Ministry of Foreign Affairs of the Government of Sri Lanka and was the former Secretary-General of the Secretariat for Coordinating the Peace Process.
 He was also a member of the Government delegation at the talks held in February and October 2006 Geneva, Switzerland with the LTTE.
 He also led the Government delegation to Oslo for talks with the LTTE.
 He is a citizen of both Sri Lanka and Australia.
John De Saram (born 27 June 1929) is a Sri Lankan diplomat and lawyer, who served as Permanent Representative of Sri Lanka to the United Nations in New York.
 He was a former Director of the Office of the Legal Counsel, United Nations Office of Legal Affairs and was a former member of the United Nations International Law Commission.
 He represented Ceylon as a sprinter at the 1948 Summer Olympics and 1950 British Empire Games.
Jean-Marie Ehouzou (born September 1950) is a Beninese diplomat who has served as the Permanent Representative of the African Union to the United Nations Office at Geneva since 2012.
 Previously he was Benin's Permanent Representative to the United Nations from 2006 to 2008 and Minister of Foreign Affairs of Benin from 2008 to 2011.
Holy See – Sri Lanka relations are foreign relations between the Holy See and Sri Lanka.
 Both countries established diplomatic relations in 1976.
 The Holy See has a nunciature in Colombo.
 As of December 2011, Ms. Tamara Kunanayakam, who is Sri Lanka's Permanent Representative to the United Nations in Geneva, was the concurrently accredited ambassador of Sri Lanka to the Holy See.
 She presented her Credentials on 15 December 2011 to Pope Benedict XVI.
 The Apostolic Nunciature of Sri Lanka has been vacant since October 2013.
The High Commissioner of Australia to Kenya and Permanent Representative of Australia to the United Nations Office in Nairobi is an officer of the Australian Department of Foreign Affairs and Trade and the head of the Embassy of the Commonwealth of Australia to the Republic of Kenya in Nairobi.
 The position has the rank and status of an Ambassador Extraordinary and Plenipotentiary and also holds non-resident accreditation to Burundi (since 1987), Rwanda (since 1987), Somalia, Tanzania (since 1987) and Uganda (since 1965).
 The High Commissioner also acts as Permanent Representative of Australia to the United Nations Office at Nairobi, including the United Nations Environment Programme and the United Nations Human Settlements Programme.
 The High commissioner is also representative to the East African Community and the International Conference on the Great Lakes Region.
 The High Commissioner is currently Alison Chartres since 10 August 2017.
The United Nations Office at Geneva (UNOG) is the second-largest of the four major office sites of the United Nations (second to the United Nations Headquarters in New York City).
 It is located in the Palais des Nations building constructed for the League of Nations between 1929 and 1938 at Geneva in Switzerland, and expanded in the early 1950s and late 1960s.

Question: Tamara Kunanayakam was the Permanent Representative of Sri Lanka to the United Nations Office at Geneva, located in what building in Geneva Switzerland?
Answer: Palais des Nations building