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OAS: Organization of American States: Organizational Overview

OAS Organizational Structure

Official Websites

The OAS is a large, complex organization with many branches. Below is an organizational breakdown with direct links to corresponding official websites. Note: The complete organization list can be found at and

OAS Official Website


The Principal OAS Organs: 

Autonomous and Decentralized:

General Secretariat:
Sub-regional Organizations:

Subject Guide


This guide owes much to the hard work and excellent suggestions and observations of Maria Francesca Arruda de Amaral (UPenn CAS 2020). She provided all the material on the MOAS. Muito obrigado, Francesca!

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