Millard County ( MIL-ərd) is a county in the U.S. state of Utah. As of the 2010 United States Census, the population was 12,503. Its county seat is Fillmore, and the largest city is Delta.

Tooele County ( too-WIL-ə) is a county in the U.S. state of Utah. As of the 2010 United States Census, the population was 58,218. Its county seat and largest city is Tooele. The county was created in 1850 and organized the following year.Tooele County is part of the Salt Lake City, UT Metropolitan Statistical Area. A 2008 CNNMoney.com article identified Tooele as the U.S. county experiencing the greatest job growth since 2000.The western half is mostly covered by the Great Salt Lake Desert and includes the city of Wendover (the immediate neighbor of West Wendover, Nevada) and Ibapah. Within the central section lies Skull Valley, between the Cedar and the Stansbury Mountains. It contains a few small towns as well as the Dugway Proving Ground. The population centers are on the eastern edge in the Tooele Valley, between the Stansbury and Oquirrh Mountains. This area contains the cities of Tooele and Grantsville and well as the unincorporated towns of Stansbury Park, Lake Point, and Erda. Tooele Army Depot is located on the southern edge of the valley. The Stockton Bar geologic feature separates Tooele Valley and Rush Valley, in which the towns of Stockton, Vernon, Faust, and Rush Valley are located. Additional small towns, Ophir and Mercur, are located in two canyons on the south western side of the Oquirrh Mountains.

Provo is the third-largest city in Utah, United States. It's 43 miles (69 km) south of Salt Lake City along the Wasatch Front. Provo is the largest city and county seat of Utah County. Best known for its abundance of natural beauty, wedding venues, restaurants, a prestigious university and fast-growing economy, Provo is home to Brigham Young University (BYU).While Father Silvestre Vélez de Escalante, a Spanish Franciscan missionary-explorer, is considered the first European visitor to the area, the first permanent settlement was established in 1849 as Fort Utah. The name was changed to "Provo" in 1850, in honor of Étienne Provost, an early French-Canadian trapper. Provo's population has grown from 2,030 in 1860 to an estimated 116,618 in 2019. The 2010 census showed slightly more females than males, with over 55% of the population living as couples, and almost 35% of households having children under the age of 18. Members of The Church of Jesus Christ of Latter-day Saints (LDS Church) comprise almost 82% of the city's population. The economy in Provo is powered by many businesses and organizations, including over 100 restaurants, two shopping malls, multiple universities and colleges, a number of small companies, and several large international businesses. Utah Valley Hospital is a Level II Trauma Center, and has several campuses of medical professionals surrounding it. America's Freedom Festival at Provo, held every May through July, is one of the largest Independence Day celebrations in the United States. Cultural points of interest in the city include the Covey Center for the Arts, the LDS Church's Missionary Training Center (MTC), and the Provo City Library at Academy Square. Provo has two LDS Church temples: Provo Utah and Provo City Center, the latter restored from the ruins of the Provo Tabernacle. The Utah Valley Convention Center is also in downtown Provo. There are several museums on the BYU campus. Natural features include Bridal Veil Falls, Provo River, Utah Lake and Uinta-Wasatch-Cache National Forest. Timpanogos Cave National Monument is several miles north of Provo. Provo also has several national historic landmarks, including the Reed O. Smoot House. Provo is served by Utah Transit Authority, operator of the FrontRunner commuter rail and a bus service connected to the rest of the Wasatch Front. Amtrak stops at Provo station, providing daily access to its California Zephyr service. Interstate 15, U.S. 89 and U.S. 189 provide major road service to Provo. Air transportation is available to several US cities including Los Angeles, Phoenix/Mesa, and Tucson International Airports, at Utah's second busiest airport, Provo Municipal Airport.

Sevier County ( sə-VEER) is a county in Utah, United States. As of the 2010 United States Census, the population was 20,802. Its county seat and largest city is Richfield.