This layer contains the city limit boundaries of Round Rock and its neighboring municipalities, located in Williamson County, Texas. This layer is part of an original dataset provided and maintained by the City of Round Rock GIS/IT Department. The data in this layer are represented as polygons.A city limit is defined as the border or boundary of a city. The area within the city limit can be referred to as the city proper, while outlying areas are referred to as Extra-Territorial Jurisdictions (ETJs). This layer contains the city limits for the 17 following cities: Austin, Bartlett, Cedar Park, Coupland, Florence, Georgetown, Granger, Hutto, Jarrell, Leander, Liberty Hill, Pflugerville, Round Rock, Taylor, Thorndale, Thrall, and Weir.