A gyro sensor comprising: a base body; a first fixed portion fixed to the base body; a movable portion provided around the first fixed portion in a first plane crossing a first direction from the base body to the first fixed portion, the movable portion including: a first partial region being annular, the first partial region being centered on the first fixed portion, a second partial region being annular, the second partial region being provided between the first partial region and the first fixed portion and centered on the first fixed portion, and a third partial region being annular, the third partial region being provided between the first partial region and the second partial region and centered on the first fixed portion, the third partial region including a first movable portion electrode; wherein the first partial region is defined between an outer edge portion of the movable portion and a first circle that is defined centering on the first fixed portion and passing through an outer end of a first fixed electrode; wherein the second partial region is defined between an inner edge portion of the movable portion and an second circle that is defined centering on the first fixed portion and passing through an inner end of a second fixed electrode; wherein the third partial region is defined between the first circle and the inner end of the second fixed electrode; a connecting portion provided between the first fixed portion and the second partial region, the connecting portion connecting the second partial region to the first fixed portion, a first gap being provided between the base body and the movable portion, and between the base body and the connecting portion; and the first fixed electrode fixed to the base body, the first electrode facing the first movable portion electrode, characterized in that: a second area of the second partial region on the first plane being not less than a first area of the first partial region on the first plane. a base body; a first fixed portion fixed to the base body; a movable portion provided around the first fixed portion in a first plane crossing a first direction from the base body to the first fixed portion, the movable portion including: a first partial region being annular, the first partial region being centered on the first fixed portion, a second partial region being annular, the second partial region being provided between the first partial region and the first fixed portion and centered on the first fixed portion, and a third partial region being annular, the third partial region being provided between the first partial region and the second partial region and centered on the first fixed portion, the third partial region including a first movable portion electrode; a first partial region being annular, the first partial region being centered on the first fixed portion, a second partial region being annular, the second partial region being provided between the first partial region and the first fixed portion and centered on the first fixed portion, and a third partial region being annular, the third partial region being provided between the first partial region and the second partial region and centered on the first fixed portion, the third partial region including a first movable portion electrode; wherein the first partial region is defined between an outer edge portion of the movable portion and a first circle that is defined centering on the first fixed portion and passing through an outer end of a first fixed electrode; wherein the second partial region is defined between an inner edge portion of the movable portion and an second circle that is defined centering on the first fixed portion and passing through an inner end of a second fixed electrode; wherein the third partial region is defined between the first circle and the inner end of the second fixed electrode; a connecting portion provided between the first fixed portion and the second partial region, the connecting portion connecting the second partial region to the first fixed portion, a first gap being provided between the base body and the movable portion, and between the base body and the connecting portion; and the first fixed electrode fixed to the base body, the first electrode facing the first movable portion electrode, characterized in that: a second area of the second partial region on the first plane being not less than a first area of the first partial region on the first plane.