continent calabazas creek 
Sonoma Valley is located in southeastern Sonoma County , California , in the San Francisco Bay Area . Known as the birthplace of the California wine industry , the valley is home to some of the earliest vineyards and wineries in the state , some of which survived the phylloxera epidemic of the 1870s and the impact of prohibition in the early 20th century . Today , the valley ' s wines are protected by the US Federal Government ' s Sonoma Valley and Carneros AVAs ( or American Viticultural Areas ). California is the most populous state in the United States and the third most extensive by area . Located on the western ( Pacific Ocean ) coast of the U . S ., California is bordered by the other U . S . states of Oregon , Nevada , and Arizona and shares an international border with the Mexican state of Baja California . The state capital is Sacramento . Los Angeles is California ' s most populous city , and the country ' s second largest after New York City . The state also has the nation ' s most populous county , Los Angeles County , and its largest county by area , San Bernardino County . The Pacific Ocean is the largest of the Earth ' s oceanic divisions . It extends from the Arctic Ocean in the north to the Southern Ocean ( or , depending on definition , to ___MASK96___ ) in the south and is bounded by Asia and ___MASK54___ in the west and the Americas in the east . California wine is wine made in the U . S . state of California . Almost three quarters the size of France , California accounts for nearly 90 percent of American wine production . The production of wine in California alone is one third larger than that of ___MASK54___ . If California were a separate country , it would be the world ' s fourth largest wine producer . Calabazas Creek is a 5 . 5 - mile - long ( 8 . 9 km ) stream in the Sonoma Valley , California , US , that rises in the southern Mayacamas Mountains and empties into Sonoma Creek near Glen Ellen . Grape phylloxera (" Daktulosphaira vitifoliae " ( Fitch 1855 ); family Phylloxeridae ); originally described in France as " Phylloxera vastatrix "; equated to the previously described " Daktulosphaira vitifoliae ", " Phylloxera vitifoliae "; commonly just called phylloxera ( from Greek  , leaf , and  , dry ) is a pest of commercial grapevines worldwide , originally native to eastern ___MASK77___ .