Some of the cities and neighborhoods in El Dorado County, CA are:

• El Dorado Hills: A growing suburb, often referred to is one of the best places to live in the county, with excellent public schools, and many outdoor activities.
• South Lake Tahoe: A town on the border of California and Nevada. It is a popular tourist destination for its scenic lake, ski resorts, casinos, and nightlife.
• Shingle Springs: Mostly rural community that is heavily conservative leaning and has a small commuter town feel.
• Placerville: The county seat and the largest city in the county. It is a historic gold rush town that has many museums, shops, restaurants, and festivals.
• Cameron Park: A suburb of Sacramento with a population of about 19,000. It is a family-friendly community that has a large lake, a golf course, an airport, and many parks
• Diamond Springs: This suburb was a former mining town that has a rich history, a historic downtown, and a rural charm.
• Georgetown: A town in the Sierra Nevada foothills. It is a historic mining community that has many trails, campgrounds, and historic buildings.

These are some of the cities and neighborhoods in El Dorado County, CA. Let me know if you'd like to explore together. 

El Dorado County, CA is a wonderful place to visit, with many attractions and activities for all ages and interests. Here are some of the things you can do in El Dorado County:

• If you are interested in the history of the Gold Rush, you can visit the Marshall Gold Discovery State Historic Park in Coloma, where James Marshall first found gold in 1848. You can also explore the historic town of Placerville, which was once a bustling mining center and has many preserved buildings and museums.
• If you love nature and outdoor adventure, you can enjoy the scenic beauty of Lake Tahoe, which offers kayaking, mountain biking, hiking, skiing, snowboarding, and more. You can also visit the Horsetail Falls, a spectacular waterfall that cascades down the granite cliffs of Desolation Wilderness.
• If you are a fan of wine and cider, you can taste the local products of El Dorado County at various wineries, orchards, and breweries. You can follow the Apple Hill trail, which has more than 50 farms and ranches that produce apples, berries, lavender, and other crops. You can also sample the award-winning wines of Fair Play, Miraflores, Narrow Gate, and Sentivo vineyards, or try the craft spirits of Dry Diggings Distillery and the craft beers of Solid Ground Brewery.

These are just some of the attractions and activities that El Dorado County has to offer. You can find more information and plan your trip by visiting Visit El Dorado County or Visit California. I hope you have a great time exploring this diverse and beautiful region.