Valencia is a beautiful city with a lot to offer. Here's an ideal itinerary for 2 days in Valencia:

Day 1:

• Start your day with a visit to the Central Market, one of the largest and oldest markets in Europe. You can find fresh produce, seafood, meats, and more. It's a great place to grab breakfast or a snack.
• After the market, head to the City of Arts and Sciences, a futuristic complex of buildings designed by Santiago Calatrava. You can visit the Science Museum, the Oceanographic, or just admire the architecture.
• For lunch, try some traditional Valencian paella at a local restaurant. Paella is a rice dish with saffron, vegetables, and meat or seafood. It's a must-try when in Valencia.
• In the afternoon, take a stroll through the historic center of Valencia. Visit the Cathedral, the Plaza de la Reina, and the Lonja de la Seda, a UNESCO World Heritage Site.
• End your day with a sunset walk through the Turia Gardens, a beautiful park that used to be a riverbed. You can rent a bike or just walk along the paths.

Day 2:

• Start your day with a visit to the Albufera Natural Park, located just outside Valencia. You can take a boat ride on the lake, go birdwatching, or just enjoy the peaceful surroundings.
• For lunch, head back to Valencia and try some tapas at a local bar. Tapas are small dishes that are perfect for sharing and trying different flavors.
• In the afternoon, visit the Mercado de Colón, a modernist building that used to be a market and now houses shops, restaurants, and cafes.
• For dinner, head to the Ruzafa neighborhood, known for its trendy bars and restaurants. You can find cuisine from all over the world, from Mexican to Japanese.
• End your day with a drink at a rooftop bar, enjoying the views of the city at night.

I hope this itinerary helps you plan your trip to Valencia! Let me know if you have any questions or need any more recommendations.