A decelerated hinge for supporting, so as to oscillate, a door of an item of furniture, which comprises a first hinge part which can be affixed to a fixed part of the item of furniture, a second hinge part which can be affixed to a door of the item of furniture and connected to the first hinge part by way of an articulation system which comprises a plurality of connecting levers and at least five articulation axes, and a deceleration device which comprises an actuating member that is moveably arranged in a first connecting lever of the articulation system, and at least one actuation surface for the actuating member of the deceleration device is provided inside a second connecting lever which is adjacent to the first connecting lever of the articulation system.