A projection apparatus among a plurality of projection apparatuses for executing multi-projection includes a holding unit configured to hold setting information about a role of the projection apparatus among the plurality of projection apparatuses for executing the multi-projection, a reception unit configured to receive an instruction for displaying a menu screen for changing a setting of the projection apparatus, a determination unit configured to determine whether to display the menu screen upon reception of the instruction by the reception unit, based on the setting information held by the holding unit, and a projection unit configured to project the menu screen according to a result of determination by the determination unit.