Replication Data for \"Enhancing usability of historical geoportal with user survey and focus group interview methods – Historical Atlas of Poland 2.0 case study\"

Dataset connected with the paper entitled \"Enhancing usability of historical geoportal with user survey and focus group interview methods – Historical Atlas of Poland 2.0 case study\" submitted to the \"Cartography and Geographic Information Science\" journal (2026). Includes survey results and a video used during the study.