“…This line has been further reinforced, thanks, in large part, to various research projects coordinated by Jacobo García Álvarez (cf. Trillo-Santamaría, 2012), which study the processes of delimitation of the Spanish-Portuguese (see, among others, García Álvarez and Puente, 2017a and2017b;García Álvarez, 2019;Puente and García Álvarez, 2021) and Spanish-French boundaries (García Álvarez and Puyo, 2019). Two special issues of the Revista de Historiografía (2015, nº 23;2019, nº 30) bring together the efforts of some of the researchers involved in these projects.…”