This does include .co.uk .org.uk but the reason those exist is because you could not claim a pure .uk cTDL before 2014 because and this is an important piece of information for anyone looking to get a domain name. Countries can set the rules for their domain themselves; There have been instances (fmhy.ml) of governments revoking a registered domain, in this case because they discussed piracy.
Maybe i am misunderstanding but that is the country code for the united kingdom and is one of the most popular in the world
As of April 2021, it is the fifth most popular top-level domain worldwide, with over 10 million registrations.
This does include .co.uk .org.uk but the reason those exist is because you could not claim a pure .uk cTDL before 2014 because and this is an important piece of information for anyone looking to get a domain name. Countries can set the rules for their domain themselves; There have been instances (fmhy.ml) of governments revoking a registered domain, in this case because they discussed piracy.