Maryland Code, Courts and Judicial Proceedings § 3-2B-05

(1) As provided by the agreement; or

(2) Where the arbitration hearing was held.

(1) In the county where the adverse party resides;

(2) In the county where the adverse party has a place of business or owns real property; or

(3) If the adverse party has neither a residence nor a place of business or property in the State, in Baltimore City.