Home › Venues › Trifolion Atrium Trifolion Atrium Tickets Buy tickets for concerts at Trifolion Atrium in Echternach, Luxembourg. No Upcoming Events No upcoming events scheduled at Trifolion Atrium. Please contact us with any corrections. Hotels & Lodging Near Trifolion Atrium About the Venue Trifolion Atrium At-a-Glance Address2 Porte Saint WillibrordEchternach 6486Luxembourg Map & Directions Advertisement