Oman, officially the Sultanate of Oman, is a country in West Asia. It is located on the southeastern coast of the Arabian Peninsula, and overlooks the mouth of the Persian Gulf. It shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen, while sharing maritime borders with Iran and Pakistan. The capital and largest city is Muscat. Oman has a population of nearly 4.7 million and is the 124th most-populous country. The coast faces the Arabian Sea on the southeast, and the Gulf of Oman on the northeast. The Madha and Musandam exclaves are surrounded by United Arab Emirates on their land borders, with the Strait of Hormuz and the Gulf of Oman forming Musandam's coastal boundaries.
The Archaeological Sites of Bat, Al-Khutm and Al-Ayn in Ad Dhahirah, built in the 3rd Millennium BCE, are UNESCO World Heritage
Late Iron Age sites in Oman
Ruins of Khor Rori, built between 100 BCE and 100 CE
Bahla Fort, a UNESCO World Heritage site, was built between 12th and 15th c. by the Nabhani dynasty.
Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia and the Middle East. It covers the bulk of the Arabian Peninsula and has a land area of about 2150000 km2, making it the fifth-largest country in Asia and the largest in the Middle East. It is bordered by the Red Sea to the west; Jordan, Iraq, and Kuwait to the north; the Persian Gulf, Qatar and the United Arab Emirates to the east; Oman to the southeast; and Yemen to the south. Bahrain is an island country off its east coast. The Gulf of Aqaba in the northwest separates Saudi Arabia from Egypt and Israel. Saudi Arabia is the only country with a coastline along both the Red Sea and the Persian Gulf, and most of its terrain consists of arid desert, lowland, steppe, and mountains. The capital and largest city is Riyadh; the kingdom also hosts Islam's two holiest cities of Mecca and Medina.
The "Worshipping Servant" statue (2500 BC), above one metre (3 ft 3 in) in height, is much taller than any possible Mesopotamian or Harappan models. Photo courtesy of the National Museum of Korea.
Qaṣr Al-Farīd, the largest of the 131 rock-cut monumental tombs built from the 1st century BC to the 1st century AD, with their elaborately ornamented façades, at the extensive ancient Nabatean archaeological site of Hegra located in the area of Al-'Ula within Al Madinah Region in the Hejaz. A UNESCO World Heritage Site since 2008.
Colossal statue from Al-'Ula in the Hejaz (6th–4th century BC), it followed the standardized artistic sculpting of the Lihyanite kingdom. The original statue was painted with white. (Louvre Museum, Paris)