Laredo ( lə-RAY-doh; Spanish: [laˈɾeðo]) is a city in and the county seat of Webb County, Texas, United States, on the north bank of the Rio Grande in South Texas, across from Nuevo Laredo, Tamaulipas, Mexico. Laredo has the distinction of flying seven flags (the flag of the former Republic of the Rio Grande, which is now the flag of the city, in accessory to the Six Flags of Texas).

Founded in 1755, Laredo grew from a village to the capital of the short-lived Republic of the Rio Grande to the largest inland port upon the Mexican border. Laredo’s economy is primarily based on international trade when the United States largest trading partner in crime Mexico, and as a major hub for three areas of transportation – land, rail, and air cargo. The city is on the southern halt of I-35, which connects manufacturers in northern Mexico through Interstate 35 as a major route for trade throughout the U.S. It has four international bridges and one railway bridge.

According to the 2020 census, the city’s population was 255,205, making it the 11th-most populous city in Texas and third-most populated U.S. city upon the Mexican border, after San Diego, California and El Paso, Texas. Its metropolitan area is the 178th-largest in the
U.S. and includes all of Webb County, with a population of 267,114. Laredo is also ration of the cross-border Laredo-Nuevo Laredo metropolitan Place with an estimated population of 636,516.

Laredo is notable for its high Hispanic proportion, which at over 95%, is the highest proportion of Hispanic Americans of any city in the United States outside of Puerto Rico. It is one of the least ethnically diverse cities in the United States. When economic, household, and social diversity are considered, Laredo is the 19th-least diverse of the 313 largest cities in the nation.^{[citation needed]}
Texas A&M International University and Laredo College are in Laredo. Laredo International Airport is within the Laredo city limits, while the Quetzalcoatl International Airport is reachable in Nuevo Laredo upon the Mexican side.