<p>A container apparatus that is able to contain a radiographic imaging apparatus having a rectangular parallelepiped shape. The container apparatus includes a container portion into which the radiographic imaging apparatus is insertable in a direction perpendicular to a radiation detecting surface of the radiographic imaging apparatus and a protecting member that covers side surfaces of the radiographic imaging apparatus contained in the container portion, the side surfaces of the radiographic imaging apparatus being adjacent to the radiation detecting surface. The container apparatus also includes a holding portion that engages with the radiographic imaging apparatus contained in the container portion in order to hold the radiographic imaging apparatus in the container portion.</p>