A detection device is provided and includes electrodes configured to detect a touch and including a plurality of first conductive thin wires and a plurality of second conductive thin wires, wherein the first conductive thin wires extend in a first direction, and include a first wire and a second wire which is adjacent to the first wire, the second conductive thin wires extend in a second direction intersecting the first direction, and include a third wire which intersects the first wire and the second wire, the first wire has a first slit, the second wire has a second slit, the third wire has a third slit between the first wire and the second wire, and the first slit, the second slit, and the third slit are arranged in a third direction which is different from the first direction and the second direction.