How to point multiple subdomains to one site directory?

Question

Domain Name System

It is necessary to direct several subdomains to one site.
Suppose there are subdomains:
ekb.site.ru
spb.site.ru
msk.site.ru
All of them should be directed to the site site.ru, BUT at the same time, so that visiting ekb.site.ru does not redirect to site.ru , and so that the user remains on the site ekb.site.ru, and the site files are loaded from site.ru I
use WordPress CMS, I tried to do it through multisites, but it didn’t work out

Answer 1

Through multisites and done. What exactly didn't work?

Answer 2

This is called an alias and is done by the hoster in the admin panel. Usually

Answer 3

Apache example

<VirtualHost *:80>
 DocumentRoot /var/www/site.ru
 ServerName site.ru
ServerAlias www.site.ru dev.site.ru dev2.site.ru  и так далее.