亚洲大洋洲区域综合地球观测系统是为实现国际地球观测组织总体战略目标而设立的区域地球观测合作计划，旨在面向亚大区域国家对地球观测技术的应用需求，保障亚大区域地球观测空间信息的精准获取与主动服务，增强地球观测技术支撑区域可持续发展的综合能力。该计划由地球观测组织亚大区域成员国共同提出，并对亚大地区的所有国家和参与组织开放。通过国际地球观测组织亚大区域政府间合作机制，在国家、区域和全球层面建立有效的合作框架，积极协调区域内的地球观测资源设施的互联互通、技术合作与共享服务，促进亚大区域国家在社会经济关键领域的应用，共同应对可持续发展、全球变化和重大灾害的挑战。

Asia–Oceania GEOSS (AOGEOSS) initiative is a regional cooperation program on Earth observation with broad involvement to meet the strategic overall objectives of Group on Earth Observation (GEO). It aims to strengthen the comprehensive ability of Earth observation and applications for sustainable development at national, regional, and global levels. The initiative is jointly proposed by the Asia-Oceania Caucus members and open to all member states of the United Nation in the Asia-Oceania region and participating organizations of GEO. The AOGEOSS initiative will engage participants and stakeholders in the Asia–Oceania region and coordinate the observation infrastructure, leveraging the existing cooperation and conducting joint projects under the Asia-Oceania Caucus mechanism of intergovernmental GEO. Priorities will be regional application and services in accordance with regional sustainable issues with increasing concern.