An apparatus for cutting grass in a cut area delimited by a perimeter, the
perimeter being defined by the presence of regions of grass surface,
comprises a lawn-mower and a lawn-mower-recovery base, the lawn-mower
comprising a motor unit, a cutting device, the lawn-mower-recovery base
being disposed along the perimeter with an accessible aperture allowing
the entry of the lawn-mower moving along it, the lawn-mower further
comprising a proximity sensor able to detect the presence of a grass
surface, a control unit associated with the sensor, the control unit
being configured to detect the perimeter, the control unit being
configured to determine a condition of alignment of the lawn-mower with
the perimeter, the control unit being operatively connected to the motor
unit to cause a displacement of the lawn-mower along the same perimeter,
to operate the return of the lawn-mower into the lawn-mower-recovery
base.