A rotor blade, with a suction side and a pressure side, for a wind turbine, having: - a rotor blade root of a hub region for attaching the rotor blade to a rotor hub, - a rotor blade tip, which is arranged on a side, facing away from the rotor blade root, of a tip region, - at least one vortex generator, which is arranged between the rotor blade root and the rotor blade tip, wherein the at least one vortex generator comprises swirl elements (10, 11) with a length and a height, which are arranged one next to the other in a longitudinal direction of the rotor blade and are in each case oriented at an angle to a main flow direction of the rotor blade, wherein, in the longitudinal direction of the rotor blade, the swirl elements (10, 11) have a lateral spacing (D, D1) to one another, wherein the vortex generator comprises at least one base plate, on which the swirl elements (10, 11) are, in pairs, oriented at an angle to the main flow direction of the rotor blade that is in each case formed substantially in the opposite direction, wherein the lateral spacing (D, D1) is determined between swirl elements (10, 11) arranged one next to the other at substantially the same angle wherein a variation in the geometry of the swirl elements (10, 11) is realized in a manner dependent on a respective distance between the arrangement of the swirl elements (10, 11) and the rotor blade root, characterized in that the variation in the geometry of the swirl elements (10, 11) stems from a ratio of the lateral spacing (D, D1) to the angle to the main flow direction of the rotor blade, which ratio is able to be determined as a function of the distance that increases with increasing distance. - a rotor blade root of a hub region for attaching the rotor blade to a rotor hub, - a rotor blade tip, which is arranged on a side, facing away from the rotor blade root, of a tip region, - at least one vortex generator, which is arranged between the rotor blade root and the rotor blade tip, wherein the at least one vortex generator comprises swirl elements (10, 11) with a length and a height, which are arranged one next to the other in a longitudinal direction of the rotor blade and are in each case oriented at an angle to a main flow direction of the rotor blade, wherein, in the longitudinal direction of the rotor blade, the swirl elements (10, 11) have a lateral spacing (D, D1) to one another, wherein the vortex generator comprises at least one base plate, on which the swirl elements (10, 11) are, in pairs, oriented at an angle to the main flow direction of the rotor blade that is in each case formed substantially in the opposite direction, wherein the lateral spacing (D, D1) is determined between swirl elements (10, 11) arranged one next to the other at substantially the same angle wherein a variation in the geometry of the swirl elements (10, 11) is realized in a manner dependent on a respective distance between the arrangement of the swirl elements (10, 11) and the rotor blade root, characterized in that the variation in the geometry of the swirl elements (10, 11) stems from a ratio of the lateral spacing (D, D1) to the angle to the main flow direction of the rotor blade, which ratio is able to be determined as a function of the distance that increases with increasing distance. wherein the at least one vortex generator comprises swirl elements (10, 11) with a length and a height, which are arranged one next to the other in a longitudinal direction of the rotor blade and are in each case oriented at an angle to a main flow direction of the rotor blade, wherein, in the longitudinal direction of the rotor blade, the swirl elements (10, 11) have a lateral spacing (D, D1) to one another, wherein the vortex generator comprises at least one base plate, on which the swirl elements (10, 11) are, in pairs, oriented at an angle to the main flow direction of the rotor blade that is in each case formed substantially in the opposite direction, wherein the lateral spacing (D, D1) is determined between swirl elements (10, 11) arranged one next to the other at substantially the same angle wherein a variation in the geometry of the swirl elements (10, 11) is realized in a manner dependent on a respective distance between the arrangement of the swirl elements (10, 11) and the rotor blade root, characterized in that the variation in the geometry of the swirl elements (10, 11) stems from a ratio of the lateral spacing (D, D1) to the angle to the main flow direction of the rotor blade, which ratio is able to be determined as a function of the distance that increases with increasing distance.