Oakland is a city in and the county seat of Alameda County, in the East Bay region of the San Francisco Bay Area, directly across the bay from San Francisco. With a population of about 440,000, it is the largest city in Alameda County and one of the largest in California. Oakland's name reflects the oak trees that once covered the landscape, and its geography spans from the San Francisco Bay shoreline to the forested hills of the East Bay ridge. Oakland is a major West Coast port city. The Port of Oakland operates one of the busiest container ports in the nation, along with Oakland International Airport and commercial real estate including Jack London Square, generating nearly 100,000 regional jobs. Beyond the port, the city's economy is anchored by healthcare and business services, transportation, food processing, government, and a growing arts, culture, and entertainment sector. The city's neighborhoods are a defining strength. Uptown anchors the arts and nightlife scene, Lake Merritt provides a central tidal lagoon surrounded by parkland and walking paths, and Jack London Square preserves the waterfront's maritime heritage with dining and a ferry terminal. Piedmont Avenue offers a walkable commercial district, while the Oakland Hills provide larger homes, views, and access to regional parks. West Oakland carries a deep cultural and industrial history. Oakland is exceptionally well connected. BART provides direct rail service into San Francisco, while the Bay Bridge, transbay buses, and ferries offer additional commuting options. Oakland Unified School District operates about 80 schools, and the East Bay is rich in higher-education institutions. Oakland's diversity, architectural variety, cultural energy, and transit access make it a dynamic urban center that offers a distinctive alternative within one of the nation's most expensive and opportunity-rich metropolitan regions.