# Setouchi Triennale > Contemporary art festival held every three years on islands in the Seto Inland Sea - URL: https://setouchi-artfest.jp/ - Operating Period: Spring Session: April 18 - May 25, Summer Session: August 1 - August 31, Autumn Session: October 3 - November 9 ## About The Setouchi Triennale is Japan's premier international art festival that combines contemporary art with regional culture across the beautiful islands of the Seto Inland Sea. Held across 17 areas including Naoshima, Teshima, and Shodoshima for approximately 100 days, the festival attracts about 1 million visitors from Japan and abroad. ## Features - International art festival held every three years - Approximately 1 million visitors - Takes place across 17 areas in the Seto Inland Sea - Experience different seasonal charms - Permanent contemporary art installations ## Products & Services - Artwork Viewing Passport - Transportation Packages - Official Tours - Official Guidebooks - Official Merchandise - Model Itineraries - Volunteer Supporter Program - Official Mobile App ## Frequently Asked Questions **Q: When is the art festival held?** A: It's held in three seasons: Spring Session (April 18 - May 25), Summer Session (August 1 - August 31), and Autumn Session (October 3 - November 9). **Q: Which islands and areas host the festival?** A: The festival takes place across 17 areas including islands like Naoshima, Teshima, Megijima, Ogijima, Shodoshima, Oshima, and Inujima in the Seto Inland Sea and coastal areas. **Q: Is there a passport needed for viewing artworks?** A: Yes, we sell Artwork Viewing Passports for accessing participating artworks in the festival. **Q: What transportation options are available?** A: You can use transportation packages such as unlimited 3-day ferry passes for 6 routes and unlimited bus tickets. **Q: Is there an official app?** A: Yes, the Setouchi Triennale 2025 official app is available for convenient ticket purchasing and information access. --- *Generated by aeo.idaeo.ai | AI-Friendliness Optimization* *Last scanned: 2026-02-25* *Analyzed by AI ✨* --- *English version auto-generated by aeo.idaeo.ai*