Oman (/ oʊ ˈ m ɑː n / oh-MAHN; Arabic: عمان ʻumān [ʕʊˈmaːn]), officially the Sultanate of Oman (Arabic: سلطنة عُمان Salṭanat ʻUmān), is an Arab country on the southeastern coast of the Arabian Peninsula in Western Asia.Its official religion is Islam.. Holding a strategically important position at the mouth of the Persian Gulf, the country shares land borders …