In addition, there is a naming method in which a character is taken from two old provincial names and make a city name by combining them; Such examples include Joso City (whole area Shimousa Province) and Minamiboso City (whole area Awa Province).
他に、2つの国の一字を合わせたものとして常総市（全域下総国）や南房総市（全域安房国）などの例もある。