Eaton Vance National Municipal Opportunities Trust is a diversified, closed-end management investment company. The Fund offers investors the opportunity to receive current income exempt from federal income tax through a professionally managed portfolio of municipal obligations. Investments are based on the municipal securities research, trading and portfolio management of Eaton Vance Management which generally are not available to individual investors. The company was founded on January 26, 2009 and is headquartered in Boston, MA.