Fourth Avenue (Brooklyn) in the context of "Boerum Hill"

Park Slope is a neighborhood in South Brooklyn, New York City, within the area once known as South Brooklyn. Park Slope is roughly bounded by Prospect Park and Prospect Park West to the east, Fourth Avenue to the west, Flatbush Avenue to the north, and Prospect Expressway to the south. Generally, the neighborhood is divided into three sections from north to south: North Slope, Center Slope, and South Slope. The neighborhood takes its name from its location on the western slope of neighboring Prospect Park. Fifth Avenue and Seventh Avenue are its primary commercial streets, while its east–west side streets are lined with brownstones and apartment buildings.

Park Slope was settled by the Lenape before Europeans arrived in the 17th century. The area was mostly farms and woods until the early 19th century, when the land was subdivided into rectangular parcels. The western section of the neighborhood was occupied in the mid-19th century, being located near the industrial Gowanus Canal and ferries. After the completion of Prospect Park, numerous mansions and rowhouses were developed in Park Slope's eastern section in the 1880s. Park Slope faced social and infrastructural decline in the mid-20th century, but the building stock was renovated after the area became gentrified starting in the 1960s. Much of the neighborhood is overlaid by the Park Slope Historic District, which is composed of a National Historic District and a New York City landmark district.

Gowanus (/ɡəˈwɑːnəs/ gə-WAH-nəs) is a neighborhood in the northwestern portion of the New York City borough of Brooklyn, within the area once known as South Brooklyn. The neighborhood is part of Brooklyn Community District 6. Gowanus is bounded by Wyckoff Street on the north, Fourth Avenue on the east, the Gowanus Expressway to the south, and Bond Street to the west.