Explanation

KSA can stand for "Kingdom of Saudi Arabia"

The capital and largest city Riyadh

Official languages  Arabic

It is the 12th-largest in the world

It is bordered by:

• the Red Sea to the west
• Jordan, Iraq, and Kuwait to the north
• The Persian Gulf, Bahrain, Qatar, and the United Arab Emirates to the east;
• Oman to the southeast; and Yemen to the south.