The general landform of Imai-cho in the early Edo period was by and large a rectangle in shape measuring 610 meters east to west and 310 meters north to south with a grid of straight streets running north-south and east-west.
江戸初期の今井の町勢の概略は、東西610m、南北310m、大体長方形の地形で東西南北方眼状に道路を配していた。