This monograph defines the place, role, and importance of engineering surveying in the field of deformation monitoring, deformation surveys, and geotechnical monitoring. The monograph represents the author's experience in this field-the presentation of deformation ellipsoid in a topocentric (local level) coordinate system for deformation analysis, strain analysis, common processing of GPS and terrestrial measurements, determining the tilting of buildings and facilities, and preliminary and optimal design of deformation monitoring schemes.