The West End Historic District of Dallas, Texas, is a historic district that includes a 67.5-acre (27.3 ha) area in northwest downtown, generally north of Commerce, east of I-35E, west of Lamar and south of the Woodall Rodgers Freeway. It is south of Victory Park, west of the Arts, City Center, and Main Street districts, and north of the Government and Reunion districts. A portion of the district is listed on the U.S. National Register of Historic Places as Westend Historic District. A smaller area is also a Dallas Landmark District. The far western part of the district belongs to the Dealey Plaza Historic District, a National Historic Landmark around structures and memorials associated with the assassination of John F. Kennedy.

Dallas is a city in the U.S. state of Texas and the most populous city in the Dallas–Fort Worth metroplex, the most populous metropolitan area in Texas and the fourth-most populous metropolitan area in the United States at 7.5 million people. It is the most populous city in and seat of Dallas County with portions extending into Collin, Denton, Kaufman, and Rockwall counties. With a 2020 census population of 1,304,379, it is the ninth-most populous city in the U.S. and the third-most populous city in Texas after Houston and San Antonio. Located in the North Texas region, the city of Dallas is the main core of the largest metropolitan area in the Southern United States and the largest inland metropolitan area in the U.S. that lacks any navigable link to the sea.