After occupying Shanghai, the Japanese mobilized 200,000 men from eight divisions, two brigades and a part of the navy to attack Nanking on two routes, north and south.
The Shanghai Dispatch Army (3rd, 9th, 11th, 13th, 16th, 101st Divisions and Shigeto Detachment) was on the north road and the 10th Army (6th, 18th, 114th Divisions and Kunisaki Detachment) on the south road.
Division, the basic fighting unit of the Japanese army. Those familiar with its inner workings can roughly distinguish the level of its combat power from the serial number. From the Japanese army will be which number of troops into China or other battlefield, can also roughly see the strategic focus of the commanding general in Tokyo.