The Comancheria is the name commonly given to the historical homeland of the Comanche indian tribe. The area was vaguely defined but generally was described as being north and west of a line that stretched from San Antonio, Texas in the south to the Arkansas River in present-day Oklahoma and Kansas in the north. The Comanche Nation is a Native American group of approximately 10,000 members, about half of whom live in Oklahoma and the remainder concentrated in Texas, California, and New Mexico. ... Downtown San Antonio as viewed from the Tower of the Americas San Antonio is a city in the U.S. state of Texas. ... Lower Arkansas River The Arkansas River is a tributary of the Mississippi which flows east and southeast through Colorado, Kansas, Oklahoma and the state of Arkansas. ... Oklahoma is a southwestern state of the United States and its U.S. postal abbreviation is OK; others abbreviate the states name Okla. ... State nickname: The Sunflower State Other U.S. States Capital Topeka Largest city Wichita Governor Kathleen Sebelius Official languages None Area 82,277 mi²; 213,096 km² (15th)  - Land 81,815 mi²; 211,900 km²  - Water 462 mi²; 1,196 km² (0. ...

Geographically, this line is a natural boundary between the rolling Blackland Prairie and river valleys in the east and the drier High Plains in the west. The farms and settlements in the fertile land along this line were natural targets for Comanche raiding parties who would typically raid along the many rivers and creeks that flowed from west to east across this line. Texas Blackland Prairie is the Texas part of the North American Blackland Prairie ecoregion. ... The Great Plains states. ...

In 1837, a negotiated peace treaty between the Comanches and the new Republic of Texas failed when the Texas Congress refused to officially define the southern and eastern boundaries of the Comancheria. This was primarily because the frontier between Anglo and Comanche land was constantly being pushed westward as land in the east was settled and thus any such definition would be a de facto concession to the Indians and a renunciation of any claim to the land by the Texas government. National Motto Unknown Official language English de facto nationwide also Spanish, German, and Native American languages regionally Capital Washington-on-the-Brazos 1836 Harrisburg 1836 Galveston 1836 Velasco 1836 Houston 1837–1839 Austin 1839–1845 Largest city San Antonio, Texas Presidents David G. Burnet, Sam Houston, Mirabeau B. Lamar, Anson...

Today, this region makes up West Texas, the Llano Estacado, the Texas Panhandle, eastern New Mexico, the Oklahoma Panhandle, the Wichita Mountains, and small portions of Colorado and Kansas. West Texas is a region in Texas which has more in common geographically with the Southwestern United States than it does with East Texas and North Texas. ... Llano Estacado is a region in the southwestern United States that encompasses parts of northeastern New Mexico and northwestern Texas. ... The Texas Panhandle is the region of the US state of Texas which includes the northernmost 26 counties in the state. ... State nickname: Land of Enchantment Other U.S. States Capital Santa Fe Largest city Albuquerque Governor Bill Richardson Official languages English and Spanish Area 315,194 km² (5th)  - Land 314,590 km²  - Water 607 km² (0. ... The Oklahoma Panhandle is the region of the state of Oklahoma comprised of the three northwestern counties; Cimarron County, Texas County, and Beaver County. ... View from Mount Scott The Wichita Mountains are an ancient mountain range located in southwestern Oklahoma. ... This is the article on the state. ...