Dallas City, located in Texas, is the third largest city in Texas and the ninth largest city in the United States. It is the capital of Dallas County and covers an area of 385 square miles (997 square kilometers). It is also the location of The University of Texas at Dallas.

The US Census shows that as of 2010, the population of Dallas was 1197816. Dallas, Fort Worth, and Arlington form the Dallas Fort Worth (DFW) metropolitan area, covering 12 counties with a total population of 6.87 million people (2010 data), with black people accounting for 25%. It is the fourth largest metropolitan area in the United States and the largest metropolitan area in the South.

In 1999, Dallas was classified as a third class world-class city by the Globalization and World Class Cities Research Group and Network of Loughborough University, known as a small world-class city.

Dallas was founded in 1814 and officially established in 1856. The population of Dallas is approximately 1.24 million, with a population of over 6 million in the urban agglomeration. The economic pillars are the petroleum industry, telecommunications industry, computer industry, banking industry, and aviation transportation industry. Dallas is located in the interior of the United States, lacking water transportation. It is located on several railway and highway lines, and land transportation is very developed. The Dallas region is a medical, educational, and financial center in the southern United States, with a total GDP of $448 billion in 2014, ranking sixth in the United States.