This zip file contains the Code History Database for the United Kingdom as at May 2023. To download the zip file click the Download button.File includes updates to:• Updates in England to: Civil Parishes (E04), Electoral Wards/Divisions (E05), Unitary Authorities (E06), Non-metropolitan districts (E07), Counties (E10), National Parks (E26), Registration Districts (E28), Registration Sub-districts (E29), Sub Integrated Care Board Locations (E38), Non-Civil Parished Areas (E43), Local Resilience Forums (E48), Integrated Care Boards (E54), County Electoral Divisions (E58)• New Entities introduced: Areas of Outstanding Natural Beauty (E62), England Non-National Park Area (E65), Grouped Local Authority Districts (Parishes) (E66), Census Merged Local Authority Districts 2021 ((E67), Grouped Local Tier Local Authorities (E68) Non-Standard Geography Categories (K99)• Updates in Northern Ireland to: Small Areas (N00)• New Entities introduced: Data Zones (N20), Super Data Zones (N21) • Updates in Scotland to: National Parks (S21)• Updates in Wales to: National Parks (W18)• New Entities introduced: Areas of Outstanding Natural Beauty (W44), Grouped Local Authority Districts (Parishes) (W46), Grouped Lower Tier Local Authorities (W47)(File Size - 50 MB)