Calabasas, California
Calabasas is a city in the northwest Santa Monica Mountains region of Los Angeles County, California. The Leonis Adobe, an adobe structure in Old Town Calabasas, dates from 1844 and is one of the oldest surviving buildings in greater Los Angeles. The city was incorporated in 1991, prior to which it was an unicorporated portion of Los Angeles County. As of the 2010 census, the city's population was 23,058, up from 20,033 at the 2000 census.