ONU Derechos Humanos, abbreviated as ACNUDH, is the Office of the United Nations High Commissioner for Human Rights. This organization is dedicated to promoting and protecting human rights globally. ACNUDH works in various countries, including Argentina, Brazil, Chile, Ecuador, Paraguay, and Uruguay, addressing issues related to human rights violations.

Their activities include monitoring and reporting on the state of human rights, conducting reviews and visits to assess the situation, and providing support and guidance to governments and civil society organizations. ACNUDH also publishes reports, publications, and thematic studies on human rights issues, aiming to raise awareness and advocate for positive change. Furthermore, ACNUDH is actively involved in international mechanisms such as the Human Rights Council, Universal Periodic Review, and Special Procedures.

They work towards ensuring that individuals and communities have access to justice and promoting the principles laid out in the Universal Declaration of Human Rights and Sustainable Development Goals. Through their work, ACNUDH strives to create a world where all people can enjoy their fundamental rights and freedoms