Dallas is a city in north central Texas. Located on the Trinity River, Dallas is the seat of Dallas County and also lies partly in Collin, Denton, and Kaufman counties. The second largest city in Texas (after Houston) and the eighth largest city in the United States, Dallas is the center of the largest consolidated metropolitan area within the state. Historically, Dallas has been the transportation and marketing center in the north Texas area. It has evolved into a primary center of finance, commerce, trade, and manufacturing for the southwestern United States and Mexico. The terrain is mostly flat and drains into the Trinity River. The climate is continental, with hot summers and moderately cold winters. The city was possibly named for George Mifflin Dallas, vice president of the United States (1845-1849), although the exact origin of the name is undetermined and historians have also recommended his brother, Commodore Alexander J. Dallas of the United States Navy, and Joseph Dallas, who settled in the area in 1842, as possible namesakes for the city.
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