To provide an electrochromic device, including a laminated body, which includes: at least one support； a first electrode layer on the support； an electrochromic layer on the first electrode layer； a second electrode layer disposed to face the first electrode layer； and an electrolyte layer, which fills between the first electrode layer and the second electrode layer, and is on the electrochromic layer, the at least one support including a resin substrate, and the laminated body having a desired curve formed by thermoforming.
