There are four major counties that make up what is known as the Dallas-Fort Worth, Arlington Metroplex. Below you will find the top cities listed by each of these 4 major counties. When purchasing a home, it's always good to know the county lines and whether your property falls near one of the borders.

Collin County

County Information: Government Website | Collin History 
Allen | Celina | Dallas | Farmersville | Frisco | Mckinney | Plano | Princeton | Prosper | Wylie

Dallas County

​County Information: Government Website | Dallas History 
Carrollton | Cedar Hill | Dallas | Duncanville | Garland | Grand Prairie | Highland Park | Irving | Mesquite | University Park

Denton County

​County Information: Government Website | Denton History 
Argyle | Aubrey | Carrollton | Denton | Flower Mound | Frisco | Lewisville | Little Elm | Plano | Trophy Club

Tarrant County

​County Information: Government Website | Tarrant History 
Arlington | Bedford | Colleyville | Euless | Fort Worth | Grapevine | Keller | Mansfield | North Richland Hills | Southlake