The Eaton Vance Municipal Bond Fund, a closed-end mutual fund specializing in fixed-income securities, is overseen by Eaton Vance Management. Its primary investment strategy involves acquiring high-quality municipal bonds. The fund's portfolio is heavily weighted towards companies engaged in the transportation, water and sewage, and electric utility sectors. Established in 2002 and located in Boston, Massachusetts, this fund was formerly recognized as the Eaton Vance Insured Municipal Bond Fund.