Maryland Courts and Judicial Proceedings Section 1-602
§ 1-602.
  For the purposes of operation and administration of the District Court, the State is divided into the following districts:
    (1)   District 1 -- Baltimore City.
    (2)   District 2 -- Dorchester, Wicomico, Somerset, and Worcester counties.
    (3)   District 3 -- Caroline, Talbot, Queen Anne's, Kent, and Cecil counties.
    (4)   District 4 -- Charles, St. Mary's, and Calvert counties.
    (5)   District 5 -- Prince George's County.
    (6)   District 6 -- Montgomery County.
    (7)   District 7 -- Anne Arundel County.
    (8)   District 8 -- Baltimore County.
    (9)   District 9 -- Harford County.
    (10)   District 10 -- Howard and Carroll counties.
    (11)   District 11 -- Frederick and Washington counties.
    (12)   District 12 -- Allegany and Garrett counties.