North Carolina affirmatively grants cities the authority to employ overlay zoning at § 160A-382, the general statute that authorizes the creation of districts for zoning. Two specific types of overlay districts are explicitly authorized in other provisions. Section 160A-383.1 allows cities to create manufactured home overlay districts within defined areas of residential districts, and § 160A-400.4 allows their use for the designation of historic districts. Cities may not include in an overlay district land owned by the State of North Carolina without the approval of the Council of State. § 160A-392.