Separate the two anchors
Treat central Hiroshima and Miyajima as substantial visits with their own pace, weather and transport needs.

Give significant places enough time, then add optional regional connections.
Hiroshima deserves a plan that distinguishes reflection from transit. Give the Peace Memorial area an unhurried block, then decide whether Miyajima belongs on another day or as the only other major commitment.
An overnight stay reduces the temptation to compress significant places between trains. Build the onward journey around the visit rather than treating the city as a transfer stop.
Plan this destinationTreat central Hiroshima and Miyajima as substantial visits with their own pace, weather and transport needs.
Use luggage forwarding or station storage when an intercity journey shares a day with a major visit.
Leave the final meal flexible near the accommodation so a longer visit does not become a missed reservation.
No venue tracked in Hiroshima publishes a fixed advance window. Every booking here runs on live or variable inventory, which means there is no date to count down to and no advantage in deciding this city early — only pages to check once your route is set.
A practical shortlist with what to order and a direct official link. Reservation availability is variable unless a verified booking link is shown.
Venues are checked against their own official site and the regional tourism dining directory. This is not a paid ranking or a claim of personal review; opening hours, menus and reservations remain live provider information.
Open the official regional directoryWhat to try: Compare Hiroshima-style okonomiyaki counters
Availability varies · checked 2026-08-04What to try: Hiroshima okonomiyaki with noodles
Availability varies · checked 2026-08-04What to try: The classic house okonomiyaki
Availability varies · checked 2026-08-04What to try: Soba-filled Hiroshima okonomiyaki
Availability varies · checked 2026-08-04What to try: Anagomeshi, grilled conger eel over rice
Availability varies · checked 2026-08-04What to try: A Hiroshima oyster tasting menu
Availability varies · checked 2026-08-04What to try: Hiroshima-style spicy dipping noodles
Availability varies · checked 2026-08-04What to try: A loaded Hiroshima okonomiyaki
Availability varies · checked 2026-08-04What to try: A carefully poured draft beer
Availability varies · checked 2026-08-04What to try: Oysters, small plates and local sake
Availability varies · checked 2026-08-04