A grain oriented electrical steel sheet comprising, as a chemical composition, by mass%, 2.0 to 7.0% of Si, 0 to 0.030% of Nb, 0 to 0.030% of V, 0 to 0.030% of Mo, 0 to 0.030% of Ta, 0 to 0.030% of W, 0 to 0.0050% of C, 0 to 1.0% of Mn, 0 to 0.0150% of S, 0 to 0.0150% of Se, 0 to 0.0650% of Al, 0 to 0.0050% of N, 0 to 0.40% of Cu, 0 to 0.010% of Bi, 0 to 0.080% of B, 0 to 0.50% of P, 0 to 0.0150% of Ti, 0 to 0.10% of Sn, 0 to 0.10% of Sb, 0 to 0.30% of Cr, 0 to 1.0% of Ni, and a balance consisting of Fe and impurities, and comprising a texture aligned with Goss orientation, characterized in that , when a is defined as a deviation angle from an ideal Goss orientation based on a rotation axis parallel to a normal direction Z, β is defined as a deviation angle from the ideal Goss orientation based on a rotation axis parallel to a transverse direction C, γ is defined as a deviation angle from the ideal Goss orientation based on a rotation axis parallel to a rolling direction L, wherein crystal orientations are measured, in accordance with the description, on at least 500 measurement points with 1 mm intervals on a sheet surface, (α 1 β 1 γ 1 ) and (α 2 β 2 γ 2 ) represent deviation angles of crystal orientations measured at two measurement points which are adjacent on a sheet surface and which have an interval of 1 mm, a boundary condition BA is defined as |γ 2 - γ 1 | ≥ 0.5°, and a boundary condition BB is defined as [(α 2 - α 1 ) 2 + (β 2 - β 1 ) 2 + (γ 2 - γ 1 ) 2 ] 1/2 ≥ 2.0°, a boundary which satisfies the boundary condition BA and which does not satisfy the boundary condition BB is included, and a value of dividing a number of a boundary which satisfies the boundary condition BA by a number of a boundary which satisfies the boundary condition BB is 1.10 or more. 2.0 to 7.0% of Si, 0 to 0.030% of Nb, 0 to 0.030% of V, 0 to 0.030% of Mo, 0 to 0.030% of Ta, 0 to 0.030% of W, 0 to 0.0050% of C, 0 to 1.0% of Mn, 0 to 0.0150% of S, 0 to 0.0150% of Se, 0 to 0.0650% of Al, 0 to 0.0050% of N, 0 to 0.40% of Cu, 0 to 0.010% of Bi, 0 to 0.080% of B, 0 to 0.50% of P, 0 to 0.0150% of Ti, 0 to 0.10% of Sn, 0 to 0.10% of Sb, 0 to 0.30% of Cr, 0 to 1.0% of Ni, and a balance consisting of Fe and impurities, and comprising a texture aligned with Goss orientation, characterized in that , when a is defined as a deviation angle from an ideal Goss orientation based on a rotation axis parallel to a normal direction Z, β is defined as a deviation angle from the ideal Goss orientation based on a rotation axis parallel to a transverse direction C, γ is defined as a deviation angle from the ideal Goss orientation based on a rotation axis parallel to a rolling direction L, wherein crystal orientations are measured, in accordance with the description, on at least 500 measurement points with 1 mm intervals on a sheet surface, (α 1 β 1 γ 1 ) and (α 2 β 2 γ 2 ) represent deviation angles of crystal orientations measured at two measurement points which are adjacent on a sheet surface and which have an interval of 1 mm, a boundary condition BA is defined as |γ 2 - γ 1 | ≥ 0.5°, and a boundary condition BB is defined as [(α 2 - α 1 ) 2 + (β 2 - β 1 ) 2 + (γ 2 - γ 1 ) 2 ] 1/2 ≥ 2.0°, a boundary which satisfies the boundary condition BA and which does not satisfy the boundary condition BB is included, and a value of dividing a number of a boundary which satisfies the boundary condition BA by a number of a boundary which satisfies the boundary condition BB is 1.10 or more. <EOS>