From which country did the famous companion Hazrat Sohaib bin Sinan Rumi (RA) belong?

From which country did the famous companion Hazrat Sohaib bin Sinan Rumi (RA) belong?

مشہور صحابی حضرت صہیب بن سنان رومی رضی اللہ عنہ کا تعلق کس ملک سے تھا؟
Explanation

Hazrat Sohaib bin Sinan Rumi (RA) belonged to Rome.

He was born around 592 CE in Mosul, Mesopotamia.

He was died around 659 CE in Medina.

Despite his Roman origins, he was of Arab ethnicity.

He is buried in Jannat al-Baqi', Hejaz (modern-day Saudi Arabia).