The new measures will come into force at 6pm on Thursday 1 October.
The new restrictions mean:
- People will not be allowed to enter or leave each of these areas without a reasonable excuse, such as travel for work or education;
- People will only be able to meet people they don’t live with outdoors for the time being. They will not be able to form, or be in, extended households;
- The restrictions will mean visitors from England or other parts of Wales will not be able to come to the four counties for a holiday.