Buena ( BEW-nə) is a borough in Atlantic County, New Jersey, United States. As of the 2010 United States Census, the borough's population was 4,603, reflecting an increase of 730 (+18.8%) from the 3,873 counted in the 2000 Census, which had in turn declined by 568 (−12.8%) from the 4,441 counted in the 1990 Census.
Charles K. Landis was a land developer who was the driving force behind the creation of Hammonton and Vineland. Landis also had a hand in establishing other small communities, including Landisville, in Buena Borough. He planned to make it county seat of a new county called Landis County, which would incorporate land from the surrounding counties. However, the locals were against this, and began calling him "King Landis".
Buena was incorporated as a borough by an act of the New Jersey Legislature on September 1, 1948, from portions of Buena Vista Township. The borough was reincorporated on May 18, 1949. The borough derives its name from Buena Vista Township, which in turn was named for the 1847 Battle of Buena Vista during the Mexican–American War.
In 1979, local resident Madeline Barrale authored a 115-page book illustrating the Borough's history. Buena Borough celebrated its 50th Anniversary in 1999 with the 1st Annual "Buena Day" at Bruno Melini Park. In 2002, the St. Padre Pio Shrine was erected by Italian-American farmers in the Landisville section of Buena and has attracted what was described by The New York Times as a "steady stream of Catholics" who come to pray at the site.
According to the United States Census Bureau, the borough had a total area of 7.579 square miles (19.630 km2), including 7.578 square miles (19.626 km2) of land and 0.001 square mile (0.003 km2) of water (0.02%).
Unincorporated communities, localities and place names located partially or completely within the borough include Landisville and Minotola, each of which had postal facilities established with those names in 1871 and 1897, respectively.
The borough borders the municipalities of Buena Vista Township in Atlantic County; Vineland in Cumberland County; and Franklin Township in Gloucester County.
The borough is one of 56 South Jersey municipalities that are included within the New Jersey Pinelands National Reserve, a protected natural area of unique ecology covering 1,100,000 acres (450,000 ha), that has been classified as a United States Biosphere Reserve and established by Congress in 1978 as the nation's first National Reserve.