A tank flap or charging flap arrangement for a vehicle includes a housing body and a tank flap or charging flap mounted for pivot between a closed position and an open position by means of an actuating arrangement. A locking device releasably locks the flap in the closed position. The actuating arrangement includes a pivot arm mounted pivotably at a first end on the housing body and connected pivotably at a second end to the flap and a control lever connected pivotably at a first end to the flap. Pivot axes of the pivotable connections of pivot arm and control lever to the flap run parallel to and offset laterally from one another. During movement of the flap between the closed and the open position, the control lever is guided at a second end an elongated hole in the pivot arm and in a guide curve of the housing body.