Saudi Arabia shares land borders with seven neighboring countries: Iraq, Jordan, Kuwait, Oman, Qatar, the United Arab Emirates, and Yemen. Together these frontiers stretch roughly 4,272 kilometers across the Arabian Peninsula. As the largest country in the Middle East, Saudi Arabia sits at the heart of the peninsula, bordered by deserts to the interior and seas on two coasts.
The Seven Land Neighbors
Each of Saudi Arabia's land borders has its own character, shaped by geography, history, and trade. Here is how they break down:
- Iraq lies to the north, separated largely by open desert. The two share a long but sparsely populated frontier, historically crossed by Bedouin and pilgrim routes.
- Jordan sits to the northwest. The Saudi-Jordanian border runs through arid terrain near the Hejaz, with the port city of Aqaba close to the meeting point of several nations.
- Kuwait is a small but strategically vital neighbor in the northeast, near the oil-rich Gulf coast. The two countries once shared a "Neutral Zone" that was formally divided in 1969.
- Oman borders Saudi Arabia to the southeast, with much of the line running through the vast sands of the Rub al Khali.
- Qatar is a peninsula jutting into the Persian Gulf, connected to Saudi Arabia by a short land border that is Qatar's only overland link to the rest of the world.
- The United Arab Emirates (UAE) lies to the east, sharing a desert frontier whose exact demarcation was finalized only in modern decades.
- Yemen sits to the south, with the longest of Saudi Arabia's borders running from the Red Sea coast across mountains and desert toward Oman.
Maritime Neighbors Across the Seas
Beyond its land frontiers, Saudi Arabia faces several countries across water. To the west, the Red Sea separates it from Egypt, Sudan, and Eritrea. To the east, the Persian Gulf places it close to Iran and the island nation of Bahrain, which is linked to the Saudi mainland by the King Fahd Causeway, a 25-kilometer bridge-and-causeway system opened in 1986. These maritime neighbors share important shipping lanes, fisheries, and energy interests with the Kingdom, even without a direct land connection.
The Empty Quarter and Shared Deserts
Much of Saudi Arabia's southern and southeastern boundary cuts through the Rub al Khali, or "Empty Quarter," the largest continuous sand desert on Earth. This sea of dunes spreads across Saudi territory and spills into Oman, the UAE, and Yemen. Because the terrain is so remote and inhospitable, several of these borders were left undefined for much of the twentieth century. Agreements such as the 1974 Treaty of Jeddah with the UAE and the 2000 Treaty of Jeddah with Yemen finally settled lines that had been disputed for generations, often guided more by oil concessions and tribal grazing grounds than by natural features.
Why Saudi Arabia's Borders Matter
Saudi Arabia's central position makes it a hub for the wider Gulf region. Six of its neighbors, along with Bahrain, are partners in the Gulf Cooperation Council (GCC), a political and economic bloc founded in 1981 that promotes free movement of goods and people among member states. Pilgrimage adds another dimension: millions of Muslims cross these borders each year to reach Mecca and Medina, the two holiest cities in Islam, both located within Saudi Arabia. Oil pipelines, highways, and proposed rail links increasingly tie the Kingdom to its neighbors, while the relatively short Qatari and Bahraini connections show how dependent some Gulf states are on access through Saudi soil.
Quick Reference
- Land borders: 7 countries (Iraq, Jordan, Kuwait, Oman, Qatar, UAE, Yemen).
- Total land border length: about 4,272 km.
- Coastlines: Red Sea (west) and Persian Gulf (east).
- Maritime neighbors include Bahrain, Egypt, Eritrea, Iran, and Sudan.
- Longest land border: with Yemen, in the south.
For a deeper look at the country itself, see our saudi-arabia country guide.
Frequently Asked Questions
How many countries border Saudi Arabia?
Saudi Arabia shares land borders with seven countries: Iraq, Jordan, Kuwait, Oman, Qatar, the United Arab Emirates, and Yemen. It also has maritime boundaries with Bahrain, Egypt, Eritrea, Iran, and Sudan.
Which country has the longest border with Saudi Arabia?
Yemen shares the longest land border with Saudi Arabia, running across the Kingdom's southern edge from the Red Sea coast toward the deserts bordering Oman.
Does Saudi Arabia border Bahrain?
Saudi Arabia does not share a land border with Bahrain, but the two are connected by the King Fahd Causeway across the Persian Gulf. Bahrain is therefore best described as a maritime neighbor.
Is Qatar only connected to Saudi Arabia by land?
Yes. Qatar's single land border is with Saudi Arabia, making the Kingdom its only overland gateway. All other access to Qatar is by sea or air.