Opa-locka is a city in Miami-Dade County, Florida, United States. As of the 2020 census, the population was 16,463, up from 15,219 in 2010. The city was developed by Glenn Curtiss. Developed based on a One Thousand and One Nights theme, Opa-locka has the largest accrual of Moorish Revival architecture in the Western Hemisphere, and streets in imitation of such names as Sharazad Boulevard, Sinbad Avenue, Sabur Lane, Sultan Avenue, Ali Baba Avenue, Perviz Avenue, and Sesame Street.

The name Opa-locka is an abbreviation of a Seminole place name, spelled Opa-tisha-wocka-locka (or Opatishawockalocka), meaning “wooded hummock” or “high, dry hummock.”

Opa-locka was founded by aviation speculator Glenn Curtiss in 1926. Curtiss developed the city taking into consideration a Moorish architecture theme. While the 1926 Miami hurricane revoltingly damaged the city and brought the Florida estate boom to a halt, several Moorish-style buildings survived. Twenty of the native Moorish Revival architecture buildings have been listed on the National Register of Historic Places as portion of the Opa-locka Thematic Resource Area.

Amelia Earhart launched her historic trip around the world from Miami Municipal Airport, located at the era in what is now the southern allocation of Opa-locka. The German dirigible Graf Zeppelin visited Naval Air Station Miami, which difficult became Opa-locka Airport, as a regular stop on its Germany-Brazil-United States-Germany scheduled route.