A honeycomb structure is provided with a pair of electrode sections disposed on the side face of the honeycomb structure section. The honeycomb structure section has an electric resistivity of 1 to 200 Ωcm, and each of the pair of electrode sections is formed into a band-like shape extending in a cell extension direction of the honeycomb structure section. In a cross section perpendicular to the cell extension direction, one electrode section of the pair of electrode sections is disposed across the center O of the honeycomb structure section from the other electrode section of the pair of electrode sections. In a cross section perpendicular to the cell extension direction, 0.5 time the central angle of each of the electrode sections is 15 to 65°.