Provided is a hinge device easy to machine and manufacture. A shaft guiding recessed section and a fitting recessed section are formed on a first face of substrate of a hinge device base. As a first position adjusting mechanism, a substrate side guiding section is provided on a bottom face of the shaft guiding recessed section, and a first adjusting shaft is provided between the substrate and a first movable member. A first shaft-side guiding section of the first adjusting shaft engages with the substrate side guiding section by being accommodated in the shaft guiding recessed section, and a first shaft part of the first adjusting shaft rotatably engages with the first movable member. A fitting section is provided in the first movable member, and the fitting section is inserted into the fitting recessed section so as to be able to slide in a first direction.