how to properly do citations for multiple locations?

I have a client who owns 5 sushi restaurants, 2 of them even in the same city.

He has one website for all GMB listings, but for each city he uses a dedicated page on the website, like this: sushiname.c0m/city.
He uses the same brand name for each location (for example, “SushiName”),
and the same phone number for all locations (for example, “1234567”).

For the 2 locations in the same city, both are directed to the same page, such as sushiname.c0m/city3.

I know how to do citations for a single location it just a unique name, address, and phone number, all is clear.

But I’m not sure what to do in this situation. Thanks for your help!

Consistency is key, but don't add the city name to your business name in citations.

Use your Google Business Profile as the source of truth for your NAP. Create a unique landing page on your website for each location with its own local phone number, and use that page as the target URL for all citations.

Do you have multiple GMB too?
If you do then you can easily use different addresses for different citations of each city.
If not then you have to use anchor text such as "sushi restaurant in dash city" like this.