 It is likely that the presence of this monastery has then determined the title to Saint George, as well as the castle, also of a district of Legnano (the "Costa di San Giorgio") and the nearby municipality of San George su Legnano.In the Middle Ages, the community of San Giorgiowas known as "Sotena" or "Sotera", as can be read in some parish archival notes that refer to a medieval repert.The first reference to Saint George in the name of the village appears on documents from the early 15th century, which indicate the community as "locus Sancti Georgi Plebis Parabiaghi Duc.