Oman (pronounced oh-; Arabic: عمان‎ ‘Umān), officially the Sultanate of Oman (Arabic: سلطنة عمان‎ Salṭanat ‘Umān), is an Arab country in southwest Asia on the southeast coast of the Arabian Peninsula. It borders the United Arab Emirates on the northwest, Saudi Arabia on the west and Yemen on the southwest.

The coast is formed by the Arabian Sea on the south and east and the Gulf of Oman on the northeast. The country also contains Madha, an exclave enclosed by the United Arab Emirates, and Musandam, an exclave also separated by Emirati territory.

The Arab World (Arabic: العالم العربي‎, al-ʻālam al-ʻarabi) refers to Arabic-speaking countries stretching from the Atlantic Ocean in the west to the Arabian Sea in the east, and from the Mediterranean Sea in the north to the Horn of Africa and the Indian Ocean in the southeast. It consists of 25 countries and territories with a combined population of 358 million people straddling North Africa and Western Asia.