This report documents the outcomes of the Geo-Artificial Intelligence (GeoAI) Special Interest Group (SIG) kick-off workshop dedicated to exploring how it can support national mapping and cadastral agencies (NMCAs) in adopting and governing AI. Kadaster (NL) together with the IGN (FR) and BKG (DE) organized and animated the workshop, which took place from the 26th to the 28th November 2025 and was hosted by Kadaster in Rotterdam (NL). Almost 30 representatives of 18 EuroSDR member organisations took part in the workshop. This report follows the structure of the workshop agenda. It begins with an overview of the current status and vision for the GeoAI SIG, followed by summaries of the breakout sessions exploring organizational needs, use cases, and challenges related to AI adoption. Subsequent sections document the identification and prioritization of GeoAI SIG themes, the discussion of barriers and enablers, and the exploration of governance considerations. The report concludes with the outcomes of the roadmap and milestone discussions and a summary of key conclusions and next steps.