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Saudi Arabia is considered to be a vast nation because of its total area. Its total land area is 2,149,690 km² (approx. 829,996 mi²). Continental shelf of Saudi Arabia is approximately 107,249 km² (around 41,409 mi²). Saudi Arabia is located in Asia. Asia is the world’s largest and most populous continent. Asian countries include, but are not limited to, Russia, China, Japan, Hong Kong, and North and South Korea. Saudi Arabia has 7 neighbouring countries. Its neighbours include Iraq, Jordan, Kuwait, Oman, Qatar, United Arab Emirates, Yemen. Saudi Arabia is not a landlocked country. It means that is is bordered by at least one major body of water. The average elevation range of Saudi Arabia is 665 m (2,182 ft).

Neighbors
Total length of land borders of Saudi Arabia is 4272 kilometers (~1,649 miles). Saudi Arabia shares its land borders with 7 different countries, and has the same number of unique land boundaries to neigbouring territories. As in the case of Saudi Arabia, if a country has the same number of unique neighboring territories as number of land borders, than that country has no non-contiguous sections of a land border. This is in contrast to several countries that have multiple non-contiguous sections of land borders. Saudi Arabia has 7 neighbouring countries. Its neighbours include Iraq, Jordan, Kuwait, Oman, Qatar, United Arab Emirates, and Yemen. The lengths of the land borders of Saudi Arabia with its neighbouring countries are as follows:

Iraq - 814 km (506 mi),
Jordan - 744 km (462 mi),
Kuwait - 222 km (138 mi),
Oman - 676 km (420 mi),
Qatar - 60 km (37 mi),
United Arab Emirates - 457 km (284 mi),
Yemen - 1458 km (906 mi).
Cities
The capital city of Saudi Arabia is Riyadh. The largest city in Saudi Arabia is Riyadh.

Elevation
The average elevation range of Saudi Arabia is 665 m (2,182 ft). The highest point of Saudi Arabia is Jabal Sawda, with its official height being 3000 m (9,843 ft). The lowest point of Saudi Arabia is Persian Gulf, Red Sea. The elevation difference between the highest (Jabal Sawda) and lowest (Persian Gulf, Red Sea) points of Saudi Arabia is 3000 m (2 ft).

Area
The total land area of Saudi Arabia is 2,149,690 km² (approx. 829,996 mi²). and the total exclusive economic zone (EEZ) is 228,633 km² (~88,275 mi²). The continental shelf of Saudi Arabia is approximately 107,249 km² (around 41,409 mi²). Including land mass and EEZ, the total area of Saudi Arabia is approximately 2,378,323 km² (~918,271 mi²). Saudi Arabia is considered to be a vast nation because of its total area.

Forest and arable land
27,000 km² of Saudi Arabia's territory is covered in forests, and forest land comprises 1% of all the land in the country. There are 35,900 km² of arable land in Saudi Arabia, and it comprises 2% of the country's total territory.