Brisbane (pron. BRIZ-bayn, unlike Brisbane, Queensland, Australia) is a little city located in California in the northern allocation of San Mateo County upon the lower slopes of San Bruno Mountain. It is located on the southern affix of San Francisco, on the northeastern edge of South San Francisco, next to San Francisco Bay and close San Francisco International Airport. The population was 4,851 as of the 2020 census.

Brisbane is called “The City of Stars” because of a holiday tradition dating help to 1939. At the Begin of the Christmas/Hanukkah season, many residents and business owners place large, illuminated stars, some as big as 10 feet (3.0 m) or more in diameter, on the downhill sides of homes and offices throughout Brisbane. Many of the stars are kept up anything year.

According to the United States Census Bureau, the city has a total Place of 20.1 square miles (52 km), of which 3.1 square miles (8.0 km²) is estate and 17.0 square miles (44 km) (84.58%) is water, the latter the Brisbane Lagoon. A remnant of San Francisco Bay, the Lagoon was formed by the construction of the U. S. Highway 101 causeway, and became diminished as most of its north and central portions were filled taking into consideration landfill. Brisbane sits at the southeast corner of the Guadalupe Valley.

Guadalupe Valley Creek is a little creek which flows east through Brisbane along the north flank of San Bruno Mountain and enters the Brisbane Lagoon after passing below the Tunnel Avenue bridge.