Midwood is a neighborhood in the south-central part of the New York City borough of Brooklyn. It is bounded on the north by the Bay Ridge Branch tracks just above Avenue I and by the Brooklyn College campus of the City University of New York, and on the south by Avenue P and Kings Highway. The eastern border consists of parts of Nostrand Avenue, Flatbush Avenue, and Coney Island Avenue; parts of McDonald Avenue and Ocean Parkway mark the western boundary.

Brooklyn is a borough of New York City. Located on the westernmost end of Long Island, it is coextensive with Kings County in the U.S. state of New York. With 2,736,074 residents as of the 2020 United States census, Kings County is the most populous of the five boroughs of New York City and the most populous county in the State of New York. The population density of Brooklyn was 37,339.9 inhabitants per square mile (14,417.0/km2) in 2022, making it the second-most-densely-populated county in the United States, behind Manhattan, and it had the ninth-highest population of any county nationwide. Were Brooklyn still an independent city, it would be the fourth most populous in the U.S. after the rest of New York City, Los Angeles, and Chicago.