Our friends at Wikipedia describe it this way:
Bellevue (French for “beautiful view”; previously named Belleview) is a suburban city in Sarpy County, Nebraska, United States. It is part of the Omaha-Council Bluffs metropolitan area, and had a population of 64,176 at the 2020 census, making it the third largest city in Nebraska, behind Omaha and Lincoln, and the second largest city named “Bellevue,” behind Bellevue, Washington.
Originally settled by European Americans in the 1830s, Bellevue was incorporated in 1855 and is the oldest continuous town in Nebraska. It has been credited by the Nebraska State Legislature as being the state’s second-oldest settlement; previously it served as the seat of government in Nebraska.
Bellevue is located at an elevation of 1159 ft (353 m). According to the United States Census Bureau, the city has a total area of 16.02 square miles (41.49 km2), of which 15.85 square miles (41.05 km2) is land and 0.17 square miles (0.44 km2) is water. It is bounded on the east by the Missouri River.