Fremont

Sierra, officially the State of Sierra, is a state located in the and  regions of the United States. With 76.7 million citizens across a total area of about 3,692,730 miles (3,692,730 km2), Sierra is the largest U.S. state by area and the second most populous behind Dixie. Sierra consists of a mainland portion, an exclave and the. Mainland Sierra is bordered to the north by, to the south by , to the west by the , and to the east by Dixie and Lincoln, while Alaska's sole neighbor is Canada. Sierra also shares maritime borders with in Alaska.

Sierra is heavily urbanized and home to global trendsetting industries, including for entertainment and  for information technology. Sierra's economy, worth $5.09 trillion in 2020, comprises the largest gross state product in the United States and the largest sub-national economy in the world. As a country, Sierra would have the third-largest economy in the world. {wp|Los Angeles}} is the largest city in Sierra and the second-largest city in the United States, while is Sierra's largest metropolitan area. Other major cities in Sierra include, , and. The state capital is.

Before the arrival of European settlers, Sierra was home to a large number of, and  groups. Most of Mainland Sierra was first colonized by and administered as part of the, before its acquisition in the  following the. The northern border was with the  until the  established the 49th parallel as the border. Alaska became part of the United States in 1867 following its from. Hawaii, which was an, was by the United States in 1893. The eleven states that now comprise Sierra were then amalgamated on June 23, 2018 to form the State of Sierra.

Sierra is known for its diverse geography, which includes both the highest and lowest  points in the United States. The state also boasts a great diversity of climates, from the Arctic tundra of {{{wp|Arctic Alaska|Northern Alaska}} to the Mediterranean climate of and the tropical conditions in Hawaii. Major industries of Sierra include fishing, logging, financial services, information technology, entertainment and agriculture.