Ridges' two greatest urban communities will go into lockdown as a feature of new limitations being forced in three regions.
Cardiff and the district of Swansea go into lockdown at 18:00 BST on Sunday, 24 hours after the Carmarthenshire town of Llanelli.
It implies 1.5 million individuals, about portion of Wales' populace, will be under lockdown before the weekend's over.
In any case, cases in Caerphilly, the principal region to lockdown, have fallen altogether, Health Minister Vaughan Gething said.
The limitations will be equivalent to those previously influencing individuals living in Merthyr Tydfil, Bridgend, Blaenau Gwent, Newport, Rhondda Cynon Taf and Caerphilly, which are as of now in lockdown.
Mr Gething said individuals in Cardiff and Swansea ought not "treat this end of the week as a major victory".
He additionally said cases in Carmarthenshire had "overwhelmingly" been connected to Llanelli, with eight out of 10 cases there.
"In Llanelli we have a specific test around the town that is very much recognized, a critical spread that isn't in charge," he said at a Welsh Government question and answer session.
"We've addressed the neighborhood authority, we've addressed the nearby wellbeing board and we comprehend the need to act and go about as quickly as time permits."
Burglarize Stewart, pioneer of Swansea board, stated: "We have seen a fast and sharp increment in the quantity of Coronavirus cases in Swansea during the previous barely any weeks.
"Thus, similar to a great part of the number of inhabitants in Wales, we are currently in a lockdown. This will mean changes to individuals' regular daily existences yet they will assist with securing individuals and our networks."
"In the event that a similar commonness rates were in Cardiff and Swansea, at that point the paces of disease would be a whole lot higher."
He portrayed an "adjusted judgment" being taken that the guidelines should come into power in Cardiff and Swansea daily later to "permit individuals to design".
Over the most recent seven days, 85 of 109 cases in Carmarthenshire have been in Llanelli where the pace of contamination is 151.6 per 100,000 individuals, contrasted with 57.7 in the more extensive province.
The Llanelli lockdown is the first not to cover an entire nearby position zone. A postcode locater will be made accessible online to clarify which territories are under lockdown, said Mr Gething.
Most of cases in Llanelli have been connected to individuals associating without social removing.
Burry Port, which is additionally in Carmarthenshire, won't be remembered for the territory under limitations.
How do organizations feel?
The new limitations mean individuals in lockdown can just shop in their own areas, or on account of Llanelli, their own town.
Mike Richards, who claims an antique shop in Llanelli, is irate the town has been singled out.
"It's absolutely unsuitable," he said. "We're essential for Carmarthenshire - the board should take care of us and Carmarthen.
"We'd be goldfish bowls - neighborhood clients just - 60% of my exchange is from outside Llanelli. I'll need to live with that yet I'm not living with Carmarthen having their own particular manner.
"With deference, wherever else they've secured a territory. We'll be the main town to secure. Why?"
Matteo Moruzzi, from Verdi's bistro in Mumbles, Swansea, said the absence of the travel industry would hit the business hard.
He stated: "We don't simply get individuals originating from different regions of Wales, yet in addition England.
"We had individuals from Somerset call prior who'd organized to come one week from now yet they can't come any longer.
"I figure it will influence a great deal of the exchange. We arranged for the principal lockdown yet less for the nearby one."
Shouldn't something be said about college understudies?
As understudies return, Mr Gething said the impact on college towns will be checked.
He stated: "Something we'll have to do is to see how the example is changing inside those college towns and urban areas once understudies have been there for a while.
"As of right now with an enormous development of individuals over the UK, we have to comprehend what that does as far as nearby predominance so I don't think this is the ideal opportunity to settle on a complete decision about what might occur toward the finish of your break however it's a conspicuous inquiry for us to consider."
Under the standards, no one can enter or leave the eight areas and one town without a "sensible reason".
Individuals are permitted to venture out to outside the territory for a set number of reasons.
These incorporate going to work on the off chance that they can't telecommute, to go to class, give care and purchase food or clinical supplies.
Dr Keith Reid, chief head of general wellbeing at Swansea Bay wellbeing board, stated: "How long Swansea remains in nearby lockdown is completely up to the individuals of Swansea. You have it in your blessing to end this lockdown as right on time as could reasonably be expected and spare lives."
Shouldn't something be said about zones not secured?
Beside the regions being secured, Dr Robin Howe of Public Health Wales, said Vale of Glamorgan, Carmarthen, Anglesey, Conwy, Denbighshire and Flintshire were all "regions of worry to us and we are viewing the information from that point cautiously".
Pastors and authorities said they would take a gander at information throughout the end of the prior week choosing whether limitations should have been reached out to Neath Port Talbot, Vale of Glamorgan and Torfaen, Mr Gething said.
Gatherings will likewise occur one week from now with board pioneers in north Wales, where Mr Gething said the image was "more blended".
Carmarthenshire gathering pioneer Emlyn Dole stated: "It is stressing to perceive how strongly the quantity of positive cases has ascended in the Llanelli region, and activity has must be taken to help stop the spread and break the chain of diseases moved around there to forestall an entire province lockdown.
"We should all make the best choice, follow the exhortation and secure one another. In parts of Llanelli, we're requesting that individuals and organizations make much more prominent penances - we completely value the effect this will have, however there is no other way. We should stop the spread."