Event news and entertainment site WalkerPlus has put together it's annual Fireworks Display Calendar, with a cute (and highly distorted) little map of Japan you can click on to find dates and locations for fireworks and summer festivals going on wherever you live or are visiting in Japan.
Take care to arrange your method of travel and accommodations beforehand. Large displays in Japan are well-known for their massive crowds, blocking off whole segments of cities from vehicular traffic and tying up mass transit lines for hours following the grade finale.
