Kanto’s Popular Music Festivals [2026]: A Complete Guide to Spring, Summer, Autumn, and Winter Outdoor Events

a-nation, organized by Avex, is a large-scale music festival that has been held since 2002. With a lineup packed with popular artists, it continues to captivate many music fans every year. In 2018, the festival expanded in scale and was held over six days across four cities in Japan. The Tokyo shows took place over two days at Ajinomoto Stadium.

The Sagami-Ono Monje Festival was named after the French word “Mangez,” meaning “to eat.” It’s a cut above ordinary food stalls, as renowned local restaurants from Sagami-Ono come together to showcase their culinary pride and let visitors savor the flavors of exceptional establishments. The main stage—planned and run by these restaurants—also features programs by professional musicians that anyone can enjoy for free, making it a highly entertaining event.

Animelo Summer Live, commonly known as Anisama, is a summer festival where anime song artists gather in one place. Anisama draws as many as 80,000 attendees each year, making it one of the largest anisong events in Japan. Many artists take the stage one after another, offering a lineup that promises both surprises and enjoyment.