Original sentence: According to Theophanes, in 680, Asparukh, the founder of the First Bulgarian Empire, routed the army of Constantine IV in the Danube delta and, pursuing it, reached the so-called Varna near Odessos ("...και ελθοντες επι την λεγομενην Βαρναν πλησιον 'Οδυσσου και του εκεισε μεσογαιου"—perhaps the new name applied initially to an adjacent river, lake or locale and only later to the city itself).Several 7th-century Bulgar settlements have been excavated in various city districts
Edited sentence: According to Theophanes, in 680, Asparukh, the founder of the First Bulgarian Empire, routed the army of Constantine IV in the Danube delta and, pursuing it, reached the so-called Varna near Odessos ("...και ελθοντες επι την λεγομενην Βαρναν πλησιον 'Οδυσσου και του εκεισε μεσογαιου"—perhaps the new name applied initially to an adjacent river, lake or locale, and only later to the city itself).Numerous 7th-century Bulgar settlements have been excavated across the city and further west; the Varna lakes valley was, of all regions, arguably most densely populated by Bulgars