Question: What national historic district is incorporated in the Town of Brookhaven of Long Island?

Context paragraphs:
San Juan Bautista State Historic Park: San Juan Bautista Plaza Historic District, also known as San Juan Bautista State Historic Park is a historic district in San Juan Bautista, California, United States, that is a National Historic Landmark and a California state historic park.  It includes the Mission San Juan Bautista, the Jose Castro House (another National Historic Landmark), and several other buildings.  It became a State Park in 1933 and was declared a National Historic Landmark in 1970.

West Meadow Beach Historic District: West Meadow Beach Historic District is a peninsula of public parkland approximately 1.5 miles long and a national historic district located in northwestern Stony Brook in Suffolk County, New York.  The district through much of the 20th century contained 120 summer cottages built along West Meadow Beach on Long Island Sound.  Most were constructed during the 1920s and 1930s (although some are dated much earlier and others were rebuilt as late as the 1980s), under deeds provided as political favors.

Port Jefferson, New York: Port Jefferson (informally known as Port Jeff) is an incorporated village in the Town of Brookhaven in Suffolk County, New York on the North Shore of Long Island.  Officially known as the Incorporated Village of Port Jefferson, the population was 7,750 as of the 2010 United States Census.

North Brentwood Historic District: The North Brentwood Historic District, is a national historic district located in the town of North Brentwood, Prince George's County, Maryland.  It was the earliest incorporated African American community in the county.  The historic district comprises 128 buildings reflecting its development over the period from 1891 to 1950.  All of the early vernacular dwellings were of wood frame construction with Late Victorian inspiration.  The 1920s house forms represented included bungalows, multi-family houses, and larger Foursquares.  Small brick cottages were primarily built in the period immediately following World War II.  The surviving historic buildings illustrate the forms and styles of buildings typically constructed in working-class suburban communities of the period.

East Spring Street Historic District: The East Spring Street Historic District is a national historic district located at New Albany, Indiana.  The general area is E. Fifth Street to the west, Spring St. to the north, E. Eighth Street to the east, and Market Street to the south.  The Cedar Bough Place Historic District is one block north of the area, the New Albany Downtown Historic District is immediately west of the area, and the Market Street section of the Mansion Row Historic District starts.  The district encompasses 84 contributing buildings in a largely residential section of New Albany.  It developed in the late-19th and early-20th century and includes notable examples of Queen Anne and Italianate style architecture.  Notable buildings include the Third Presbyterian Church (now First Baptist Church, 1853, 1955), St. Mary's Roman Catholic Church and Rectory (1858, 1886), the former John Conner House or Masonic Lodge (c. 1850), and Edwards City Hospital (c. 1890).

Ochre Point–Cliffs Historic District: The Ochre Point–Cliffs Historic District is a historic district in Newport, Rhode Island.  The district includes a significant subset of the Bellevue Avenue Historic District, a National Historic Landmark District, including all of the major Gilded Age mansions on the waterfront facing Easton Bay between Memorial Boulevard and Marine Avenue.  The district is home to famous mansions such as the William Watts Sherman House and The Breakers, one of the largest houses in the area built by the Vanderbilt Family.  The district was added to the National Register of Historic Places in 1975.

Litchfield Historic District: Litchfield Historic District, in Litchfield, Connecticut, is a National Historic Landmark District designated in 1968 as a notable and well-preserved example of a typical late 18th century New England village.  As a National Historic Landmark, it is listed on the National Register of Historic Places (NRHP).  It is the core area of a larger NRHP-listed historic district that includes the entire borough of Litchfield and was designated a state historic district in 1959.

Calumet Downtown Historic District: The Calumet Downtown Historic District is a historic district located in Calumet, Michigan, on 5th Street and 6th Street, between Scott Street and Pine Street.  It is also known as the Red Jacket Downtown Historic District, reflecting the original name of the village.  The Historic District is completely contained in the Calumet Historic District (a National Historic Landmark District) and the Keweenaw National Historical Park.  It was designated a Michigan State Historic Site in 1973 and listed on the National Register of Historic Places in 1974.

Fifth and Main Historic District: The Fifth and Main Historic District is a collection of adjoining structures and national historic district located on the northeast corner of the intersection of Main and Fifth streets in Joplin, Jasper County, Missouri, United States.  This historic district consists of three early 20th century structures: the Christman Building, the Christman Building Annex and the Paramount Building.  The Fifth and Main Historic District was added to the National Register of Historic Places in 2006.  In 2008, it was encompassed by the Joplin Downtown Historic District.

Port Jefferson Village Historic District: Port Jefferson Village Historic District is a national historic district located at Port Jefferson in Suffolk County, New York.  The district contains 98 contributing buildings.  It includes a mix of residences, commercial buildings, and a church.  The district is primarily residential dating from 1800 to 1915, with a majority built from the 1840s to 1870s in the Greek Revival and Italianate styles.

Supporting paragraphs: Port Jefferson Village Historic District Port Jefferson, New York
Answer: Port Jefferson