Store, price, language and availability change with the country of whoever opens them. To review the United States version, the address comes out of the United States. For the European version, out of Europe.
What to check beyond the page
The browser language and timezone need to agree with the country of the address, or the page may keep showing your real country version because of the cookie and the language.
Run the test in a clean window, logged out. A logged-in account carries preferences that hide exactly the difference you wanted to see.