NajdNajd (نَجْدٌ, nad͡ʒd) is the geographic center of Saudi Arabia, accounting for about a third of the country's modern population and, since the Emirate of Diriyah, acting as the base for all unification campaigns by the House of Saud to bring Arabia under a single polity. Historic Najd was divided into three modern administrative regions still in use today. The Riyadh region, featuring Wadi Hanifa and the Tuwaiq escarpment, which houses easterly Yamama with the Saudi capital, Riyadh since 1824, and the Sudairi region, which has its capital in Majmaah.
Saudi ArabiaSaudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country in West Asia. It covers the bulk of the Arabian Peninsula, and has a land area of about , making it the fifth-largest country in Asia, the second-largest in the Arab world, and the largest in West Asia and 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.
DiriyahDiriyah (الدِرْعِيّة), formerly romanized as Dereyeh and Dariyya, is a town in Saudi Arabia located on the north-western outskirts of the Saudi capital, Riyadh. Diriyah was the original home of the Saudi royal family, and served as the capital of the Emirate of Diriyah under the first Saudi dynasty from 1727 to 1818. Today, the town is the seat of the Diriyah Governorate, which also includes the villages of Uyayna, Jubayla, and Al-Ammariyyah, among others, and is part of Ar Riyad Province.
HashemitesThe Hashemites (al-Hāshimiyyūn), also House of Hashim, are the royal family of Jordan, which they have ruled since 1921, and were the royal family of the kingdoms of Hejaz (1916–1925), Syria (1920), and Iraq (1921–1958). The family had ruled the city of Mecca continuously from the 10th century, frequently as vassals of outside powers, and were given the thrones of the Hejaz, Syria, Iraq, and Jordan following their World War I alliance with the British Empire; this arrangement became known as the "Sharifian solution".
House of SaudThe House of Saud (ʾĀl Suʿūd) is the ruling royal family of Saudi Arabia. It is composed of the descendants of Muhammad bin Saud, founder of the Emirate of Diriyah, known as the First Saudi state (1727–1818), and his brothers, though the ruling faction of the family is primarily led by the descendants of Abdulaziz bin Abdul Rahman, the modern founder of Saudi Arabia. It forms a subtribe of the larger prominent ancient Banu Hanifa tribe of Arabia, of which well known 7th century Arabian theologist Maslama ibn Ḥabīb originates.
Ibn SaudAbdulaziz bin Abdul Rahman Al Saud (عبد العزيز بن عبد الرحمن آل سعود; 15 January 1875 – 9 November 1953), known in the West as Ibn Saud (ابن سعود; Ibn Suʿūd), was an Arab political and religious leader who founded Saudi Arabia – the third Saudi state – and reigned as its first king from 23 September 1932 until his death in 1953. He had ruled parts of the kingdom since 1902, having previously been Emir, Sultan, and King of Nejd, and King of Hejaz. Ibn Saud was the son of Abdul Rahman bin Faisal, Emir of Nejd, and Sara bint Ahmed Al Sudairi.
Arabian PeninsulaThe Arabian Peninsula (əˈreɪbiən...; شِبْهُ الْجَزِيرَة الْعَرَبِيَّة, , "Arabian Peninsula" or جَزِيرَةُ الْعَرَب, , "Island of the Arabs"), or Arabia, is a peninsula in West Asia, situated northeast of Africa on the Arabian Plate. At , the Arabian Peninsula is the largest peninsula in the world. Geographically, the Arabian Peninsula includes Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, the United Arab Emirates (UAE) and Yemen, as well as southern Iraq and Jordan. The largest of these is Saudi Arabia.
YemenYemen (ˈjɛmən; al-Yaman), officially the Republic of Yemen, is a country in West Asia. It is located in the southern end of the Arabian Peninsula, and borders Saudi Arabia to the north and Oman to the northeast. It shares maritime borders with Eritrea, Djibouti and Somalia. Covering and having a coastline of approximately , Yemen is the second-largest Arab sovereign state on the Arabian Peninsula. Sanaa is its constitutionally stated capital and largest city. The country's population is estimated to be 34.