Countries similar to or like Oman

Country in Western Asia located at the eastern end of the Arabian Peninsula. It borders Oman and Saudi Arabia, and has maritime borders in the Persian Gulf with Qatar and Iran. Wikipedia

Country in Western Asia constituting the vast majority of the Arabian Peninsula. Geographically the largest sovereign state in Western Asia, the second-largest in the Arab world , the fifth-largest in Asia, and the 12th-largest in the world. Wikipedia

Country at the southern end of the Arabian Peninsula in Western Asia. Second-largest Arab sovereign state in the peninsula, occupying 527,970 km2. Wikipedia

Country in Western Asia. Bordered to the northwest by Armenia and Azerbaijan, to the north by the Caspian Sea, to the northeast by Turkmenistan, to the east by Afghanistan, to the southeast by Pakistan, to the south by the Persian Gulf and the Gulf of Oman, and to the west by Turkey and Iraq. Wikipedia

Country located in Western Asia, occupying the small Qatar Peninsula on the northeastern coast of the Arabian Peninsula. With neighbouring Gulf Cooperation Council monarchy Saudi Arabia to the south, with the rest of its territory surrounded by the Persian Gulf. Wikipedia

Country in the Persian Gulf. Additional 33 artificial islands, centered around Bahrain Island which make up around 83 percent of the country's landmass. Wikipedia