The castle area is thought to cover the several hilly areas in the north-east section as well as the apartments in the south-west, and the Daishogun-jinja Shrine on the shore of the Ose-gawa River is thought to be an outpost with Horikiri in between.
城域は、北東部に展開するいくつかの丘陵地と南西部の団地も含むと考えられ、大瀬川岸にある大将軍神社も堀切をはさんだ出丸の１つである。