The main aim of the project is to create a concept of basic groups of borders and border changes in the Czech lands with a link to the Central European area from the Middle Ages to the end of the 20th century; to process basic files of individual types of borders; to analyse, compare and interpret the obtained data; to make the results of the research available to the lay and professional public, including the educational sphere, and thus to provide a comprehensive picture of borders and their changes. National and cultural identity in history and archaeology. The proposed project will be addressed within five thematic modules. Borders as a reflection of territorial governance, power ambitions and conflicts; III. Borders as a reflection of ethnic, linguistic and cultural anthropological specifics; IV. Borders as a reflection of historical specificities and anomalies; V. Borders as a reflection of the diversity of opinions in contemporary society. The main application outputs of the project will be a set of interactive specialized maps with specialized content, an exhibition with a critical catalogue and a specialized public database, complemented by publication outputs (monographs, professional articles and conferences).