Corner cupboard, in particular a kitchen corner cupboard, comprising a carousel which can rotate in the cupboard carcass and supports at least one shelf base having a V-shaped portion, - a rotating column which defines a vertical axis being mounted on an upper cupboard cover panel and on the cupboard base in the region of respective fittings (9, 10), - these fittings (9, 10) each having two supporting arms (13, 14) which protrude from the vertical axis in a V-shape and are intended for receiving two front panels (11, 12) which form a 90° angle in the closed position and - these front panels (11, 12) being held in a pivotally movable manner on the front region of the supporting arms (13, 14) by means of respective steering levers (15, 16), - the base-side fitting having steering connectors (17, 18) each interacting with a base ring in the region of the supporting arms, - the opening movement of the front panels (11, 12) being controllable in the region of the steering levers (15, 16) using these steering connectors (17, 18) and - the return movement of the front panels (11, 12) into the closed position being able to be braked by means of a damping part which has a return spring, characterised in that - the two steering connectors (17, 18) are each articulated, - on the one hand, to the lower fitting in the region of the lower supporting arm and of the lower steering lever and - provided, on the other hand, in the immediate vicinityof the base ring - with in each case one control disc (21, 22) which has a guide part (23, 23'), in such a way that - these two control discs (21, 22) - are brought into interlocking engagement - in the region of at least the respective guide parts (23, 23') and - therefore the movements thereof are synchronised - when moving the front panels (11, 12). - a rotating column which defines a vertical axis being mounted on an upper cupboard cover panel and on the cupboard base in the region of respective fittings (9, 10), - these fittings (9, 10) each having two supporting arms (13, 14) which protrude from the vertical axis in a V-shape and are intended for receiving two front panels (11, 12) which form a 90° angle in the closed position and - these front panels (11, 12) being held in a pivotally movable manner on the front region of the supporting arms (13, 14) by means of respective steering levers (15, 16), - the base-side fitting having steering connectors (17, 18) each interacting with a base ring in the region of the supporting arms, - the opening movement of the front panels (11, 12) being controllable in the region of the steering levers (15, 16) using these steering connectors (17, 18) and - the return movement of the front panels (11, 12) into the closed position being able to be braked by means of a damping part which has a return spring, characterised in that - the two steering connectors (17, 18) are each articulated, - on the one hand, to the lower fitting in the region of the lower supporting arm and of the lower steering lever and - provided, on the other hand, in the immediate vicinityof the base ring - with in each case one control disc (21, 22) which has a guide part (23, 23'), in such a way that - these two control discs (21, 22) - are brought into interlocking engagement - in the region of at least the respective guide parts (23, 23') and - therefore the movements thereof are synchronised - when moving the front panels (11, 12).