Okasan is a traditional Japanese restaurant in Rome’s Prati area with clear official contact details, daily opening hours, and a long-running public footprint. Its official site verifies the address, phone number, email, and hours, while TheFork confirms a strong current diner score and active booking presence. That combination makes it one of the city’s safer, easier-to-verify Japanese dining choices.
Source and review status
- Evidence confidence: high

Quick facts
- Best for: traditional Japanese dining in Prati, reliable sushi near the Vatican side of Rome
- Known for: A traditional Japanese menu, strong public booking visibility, and a long-standing Prati location.
- Hours: Daily 12:30-15:00, 19:30-23:30
- Phone: +39 06 3972 4419
- Email: [email protected]
Why it ranks
Okasan ranks because it combines strong operating clarity, a useful Prati location, and dependable public diner feedback, even if its overall proposition feels less singular than Rome’s most chef-driven or Michelin-adjacent Japanese destinations.
Location and links
- Address: Via Ostia 22, 00192 Rome, Italy
- Official website
- Call
Service area and category
- City: Rome
- Region: Lazio
- Country: Italy
- Category: Restaurant
Editorial summary
Okasan is a traditional Japanese restaurant in Rome’s Prati area with clear official contact details, daily opening hours, and a long-running public footprint. Its official site verifies the address, phone number, email, and hours, while TheFork confirms a strong current diner score and active booking presence. That combination makes it one of the city’s safer, easier-to-verify Japanese dining choices.
Evidence ledger
- Official website (official_website) supports website and operating identity
- Official location source (official_location) supports location and contact facts
- Thefork (corroborating)
Verified fields: name, address, phone, email, hours, website_url, category, current public booking presence
Omitted because not verified: coordinates, social links