Louisiana Louisiana Louisiana (, ) is a state in the Deep South region of the southeastern United States. It is the 31st most extensive and the 25th most populous of the 50 United States. Louisiana is bordered by Arkansas to the north, Mississippi to the east, the Gulf of Mexico to the south, and the state of Texas to the west. A large part of its eastern boundary is demarcated by the Mississippi River. Louisiana is the only U.S. state with political subdivisions termed parishes, which are equivalent to counties. The state's capital is Baton Rouge, and its largest city is
President of the Louisiana State Senate President of the Louisiana State Senate The President of the Louisiana State Senate is the highest-ranking member of the Louisiana State Senate. As presiding officer, he or she convenes session and calls members to order, but can designate another state senator to preside in his or her place. The Louisiana state senate president is fifth in gubernatorial line of succession in Louisiana. The president's counterpart in the lower house of the Louisiana Legislature is the Speaker of the Louisiana House of Representatives. The Louisiana Constitution of 1812 did not provide for a lieutenant governor to preside over the state senate