Explanation:

- Amnesty International is a global non-governmental organization focused on human rights.

- It was founded in 1961 and works to protect people wherever justice, freedom, truth, and dignity are denied.

- The organization has its international headquarters located in London.

- London is the capital of the United Kingdom and serves as a major hub for several international organizations.

- New York is known for housing the headquarters of the United Nations but not Amnesty International.

- Washington is the capital of the United States and is not relevant for Amnesty's headquarters.

- Berlin is the capital of Germany and does not serve as the headquarters for Amnesty International.

Correct Answer: London