BlackRock Strategic Municipal Trust operates as nondiversified, closed-end management investment company in the United States. The trust invests in municipal securities. Its investment portfolio comprises various sectors, such as city, county, and state; hospital; power; education; industrial and pollution control; transportation; hospital; water and sewer; and tobacco. BlackRock Advisors, Inc. serves as the investment advisor of the trust. BlackRock Strategic Municipal Trust is based in Wilmington, Delaware.