A rotation rate sensor includes a substrate and a drive structure that is movable relative to the substrate and is fastened to the substrate via a spring system that includes first and second spring components that each connects the drive structure and the substrate and that are joined by an intermediate piece, the drive structure being joined to the intermediate piece via the first portion, and the intermediate piece or a center area, which is at least partially situated between the first and second portions, being joined to the substrate via the second portion, the first and/or second portions having a respective varying base area in a respective main extension direction of the first and second portions, respectively.