How can I go about ordering an iPhone with the sim tray?

Order one from your own country's store. An iPhone 14 originally sold outside the USA will have a physical SIM slot.

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After 30 minutes googling I found a shop in Austria where

you can buy a new iPhone with two physical sim cards. Tegcom writes

that it is the import version of Hongkong. I had at look at the Apple

HK site and yes they come with dual nano sim. So this it.