Md. Code, Local Government § 9–302

(a) (1) There are four classes of code counties, based on the geographic

region of the State where the county is located.

(2) The geographic regions of the State are:

(i) Central Maryland, consisting of Anne Arundel County,

Baltimore City, Baltimore County, Carroll County, Frederick County, Harford

County, Howard County, Montgomery County, and Prince George’s County;

(ii) Eastern Shore, consisting of Caroline County, Cecil

County, Dorchester County, Kent County, Queen Anne’s County, Somerset County,

Talbot County, Wicomico County, and Worcester County;

(iii) Southern Maryland, consisting of Calvert County, Charles

County, and St. Mary’s County; and

(iv) Western Maryland, consisting of Allegany County, Garrett

County, and Washington County.

(b) Unless limited to one or more classes listed in this section, a public

general law enacted by the General Assembly that applies to code counties applies to

each code county, regardless of class.