The area encompassed by 'Shubiki' was slightly larger than the fifteen wards consisting Old Tokyo, and include parts of present day Toshima, Shibuya, and Kita wards, as well as parts of Meguro, Shinagawa, and Itabashi wards.
朱引きは旧東京市の15区より若干広く、現在の豊島区、渋谷区、荒川区、北区(東京都)、目黒区の一部、品川区の一部、板橋区の一部をも含む。