Maryland Code, Alcoholic Beverages and Cannabis § 11-2010

(1) a restaurant, tavern, hotel, club, dance studio, disco, or place of public entertainment;

(2) a place open to the public; or

(3) a place licensed by the State or the county.

(b)(1) Except as provided in paragraph (2) of this subsection, a person may not provide or allow to be consumed on the premises or on premises under its possession or control any alcoholic beverages other than as specifically allowed under this article.

(2) Paragraph (1) of this subsection does not apply to the room of a registered guest in a hotel, motel, or hospice.