About Adobe Portfolio in my country

use an authorized reseller, https://adobedealreg.secure.force.com/PartnerSearch?lang=en

From my understanding, the important information Adobe is looking for is billing location not geagraphical location. You can live in location A and bill with location B. Even if you then travel to location C, your Adobe CC will still continue to work.

Here's a page on updating/changing billing location:
https://helpx.adobe.com/x-productkb/policy-pricing/change-country-associated-with-adobe-id.html 

Have you/ your company managed to purchase Adobe CC? If yes, make sure it is a plan that supports Portfolio. More details at:
https://helpx.adobe.com/creative-cloud/kb/adobe-portfolio-faq.html