A workspace management method for managing a plurality of windows displayed in response to start-up of an application as a workspace for user interface, the method including: managing management information regarding the windows; detecting a change in a state of each of the windows; detecting, in a case where a movement of one window of the windows is detected in the detecting of the change, the other windows positioned in the neighborhood of the one window or overlapping the one window by referring to the management information; displaying, in a case where the other windows are detected in the detecting of the other windows, a docking position to be docked in each of the one window and the other windows; and docking, in a case where a stop of the movement of the one window is detected in the detecting of the change, the one window with the other windows via the docking position.