A portable hard surface cleaning appliance includes a suction nozzle with a suction opening on which at least one drawing-off lip is arranged, a suction unit in flow connection with the suction nozzle for sucking up a liquid-air mixture from the suction opening, a separation chamber arranged between the suction nozzle and the suction unit and having a separation device arranged within for separating liquid from the liquid-air mixture, and a tank accommodating compartment in which a dirty liquid tank for receiving the separated liquid is releasably held. The tank accommodating compartment includes at least one supporting element engaged under a lower tank section of the dirty liquid tank, and at least one holding element releasably connectable to an upper tank section of the dirty liquid tank. The portable hard surface cleaning appliance includes two holding elements which receive between them the upper tank section of the dirty liquid tank.