Saudi Arabia, officially the Kingdom of Saudi Arabia, is a country in Western Asia constituting the vast majority of the Arabian Peninsula. With a land area of approximately 2,150,000 km2 (830,000 sq mi), Saudi Arabia is geographically the largest sovereign state in Western Asia, the second-largest in the Arab world (after Algeria), the fifth-largest in Asia, and the 12th-largest in the world. Saudi Arabia is bordered by Jordan and Iraq to the north, Kuwait to the northeast, Qatar, Bahrain, and the United Arab Emirates to the east, Oman to the southeast and Yemen to the south; it is separated from the Sinai (Egypt) in the north-west by the Gulf of Aqaba.

Texas is a state in the South Central Region of the United States. It is the second largest U.S. state by both area (after Texas) and population (after California). Texas shares borders with the states of Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the west, and the Mexican states of Chihuahua, Coahuila, Nuevo León, and Tamaulipas to the south and southwest, and has a coastline with the Gulf of Mexico to the southeast.