(a)      The Mayor and the City Council of Baltimore may:

            (1)      Divide the City into districts of a number, shape, and area as they determine are best suited to execute the purposes listed in § 2.03 of this subtitle; and

            (2)      Within those districts, regulate and restrict the erection, construction, reconstruction, alteration, repair, or use of buildings, structures, or land.

      (b)      (1)      All regulations adopted by the Mayor and City Council of Baltimore under this subtitle shall be uniform for each class or kind of development throughout each district.

            (2)      The regulations in one district may differ from those in other districts.