The Assembly of the Union ( "Pyidaungsu Hluttaw") is the "de jure" national-level bicameral legislature of Myanmar (officially known as the "Republic of the Union of Myanmar") created by the 2008 National Constitution. The Pyidaungsu Hluttaw is made up of two houses, the House of Nationalities, a 224-seat upper house as well as the Pyithu Hluttaw, a 440-seat lower house.