Tyler is the county seat of Smith County in East Texas, United States. The city is named for President John Tyler in recognition of his support for Texas' admission to the United States. As of the 2000 census, the city had a total population of 83,650.

Tyler is referred to as the Rose Capital of America because of its large role in the rose-growing industry; about 20% of commercial rose bushes produced in the U.S. are grown in Smith County. It boasts the nation's largest municipal rose garden and hosts the Texas Rose Festival each October. In 1985, the international Adopt-a-Highway movement originated in Tyler when, after appeals by local Texas Department of Transportation officials. Tyler is also home to the Caldwell Zoo.