A Learning Series on the United States Territories and Freely Associated States is a comprehensive nine-part training designed to help participants understand the unique characteristics of the eight U.S. island jurisdictions through a public health lens. The introductory module offers a regional overview of governance, culture, geography, demographics, and health-related challenges common across the five territories and three freely associated states. Each subsequent module focuses on a specific jurisdiction, providing insights into local governance, history, communication norms, public health systems, key partners, and practical travel considerations. The modules aim to equip participants with the foundational knowledge needed to engage effectively and respectfully in these communities.