ウェブ1 日前 · Oakland, California. / 37.80444°N 122.27083°W / 37.80444; -122.27083. Oakland is the most populous city in and the county seat of Alameda County, California, United States. A major West Coast port, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, and the third-largest city overall in the Bay Area.
ウェブ1 日前 · Oklahoma is the 20th-largest state in the United States, covering an area of 69,895 square miles (181,030 km 2 ), with 68,591 square miles (177,650 km 2) of land and 1,304 square miles (3,380 km 2) of water. [64] It lies partly in the Great Plains near the geographical center of the 48 contiguous states.