According to one embodiment, a display device includes a sealant and liquid crystal sealed between a first substrate and a second substrate, and the display device includes a first projection formed either the first substrate or the second substrate and a first counterpart formed on the other substrate, wherein the sealant includes an alignment film, the first projection extends in the direction of extension of the sealant, the first projection and the first counterpart are opposed to each other, a gap is formed between the first projection and the first counterpart to locate the sealant, the first projection has a vertical dimension greater than that of the gap, and the first projection contacts the liquid crystal and overlaps an inner edge of the sealant in a plan view.