About: OMR - Omani Rial is the currency of Oman.Oman is an Arab country in the southeastern coast of the Arabian Peninsula. It holds a strategically important position at the mouth of the Persian Gulf, the nation is bordered by the United Arab Emirates to the northwest, Saudi Arabia to the west, and Yemen to the southwest, and shares marine borders with Iran and Pakistan. The Central Bank of Oman has issued notes, with 20 and 50 rial notes introduced that, followed by 200 baisa notes in 1985.