UNITED STATES
                    SECURITIES AND EXCHANGE COMMISSION
                          Washington, D.C. 20549

                                FORM N-PX

           ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED
                      MANAGEMENT INVESTMENT COMPANY


Investment Company Act File Number 811-02688

Name of Fund:  Merrill Lynch Municipal Bond Fund, Inc.
               -National Portfolio
               -Short-Term Portfolio

Fund Address:  P.O. Box 9011
               Princeton, NJ  08543-9011

Name and address of agent for service:
       Robert C. Doll, Jr., Chief Executive Officer, National Portfolio and
       Short-Term Portfolio of Merrill Lynch Municipal Bond Fund, Inc.,
       800 Scudders Mill Road, Plainsboro, NJ, 08536.  Mailing address:  P.O.
       Box 9011, Princeton, NJ, 08543-9011

Registrant's telephone number, including area code:  (609) 282-2800

Date of fiscal year end: 06/30/2007

Date of reporting period: 07/01/2005 - 06/30/2006

Item 1 - Proxy Voting Record - The Fund held no voting securities during the
                               period covered by this report.
                               No records are attached.


Pursuant to the requirements of the Investment Company Act of 1940, the
registrant has duly caused this report to be signed on its behalf by the
undersigned, thereunto duly authorized.

National Portfolio and Short-Term Portfolio of
Merrill Lynch Municipal Bond Fund, Inc.


By:     /s/ Robert C. Doll, Jr.
       -----------------------
       Robert C. Doll, Jr.
       Chief Executive Officer
       National Portfolio and Short-Term Portfolio of
       Merrill Lynch Municipal Bond Fund, Inc.


Date: September 13, 2006