How do I identify the region of my iPhone ?

It’s the iPhone 15 Pro “other countries and regions” model.

Here is how to: Identify your iPhone model - Apple Support

Gigachadd wrote:

Can you tell me which region?

The region is “other”. Yes, really. “Other countries and regions”. From the previously-linked article:

One other than the United States, Puerto Rico, Canada, Guam, Japan, Mexico, Saudi Arabia, or U.S. Virgin Islands. It's not possible to give a more-specific answer from only A3102.

(252698)

Gigachadd wrote:

Can you tell me which region?

Please read the reply by Niel above. For more specific information, you will need to provide the Mxxxx**/* number.