Most of the charters also enumerate personal names and toponyms, hinting at the development of the name system among the Bulgarians and confirming the medieval existence of many villages and towns, mostly in modern Bulgaria (largely in and near Rila) and North Macedonia (predominantly around Skopje).
The majority of the charters also mention specific individuals and locations, suggesting the development of a naming tradition among the Bulgarians and confirming the medieval existence of many villages and towns, primarily situated in modern Bulgaria (mainly around Rila) and North Macedonia (predominantly near Skopje).