Complex sentence: The area of Kanra District was formerly part of Kōzuke Province, and appears in Nara period records, such as the 711 AD "Shoku Nihongi" as, whose etymology indicates that it was an area settled by large numbers of people from the Korean peninsula.
Split into simpler sentences: The area of Kanra District was formerly part of Kōzuke Province and appears in Nara period records, such as the 711 AD "Shoku Nihongi" as. Its etymology indicates that it was an area settled by large numbers of people from the Korean peninsula.