Here are the venues for your search "classical"

Venues

Red Sauce - Rosewood
Italian

Bangkok Symphony Music School
Music Venue Music

Heritage Ville & Marshal Social Cafe
Cafe Music Art Western

Yu Ting Yuan
Michelin Star Chinese

Thailand Guitar Society Hall Sukhumvit 60
Cultural Centre Music

Sala Sudasiri Sobha
Music Venue Jazz Classical

Galerie Oasis
Art Gallery Art

Small Hall, Thailand Cultural Center
Cultural Centre Classical Others

Prince Mahidol Hall
Music Venue Classical

Viva Filipinas
Bar Music Venue Performing Arts Music South East Asian

Yard bar BKK
Bar Thai Western

The Sukhothai Bangkok
Hotel Others Thai Western

UnionSpace
Multi-purpose Classical World

Siam Music Yamaha
Cultural Centre Live House Jazz Classical

Alliance Française Bangkok
Art Gallery Theatre Performing Arts Music Art