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Using an eSIM in Hiroshima

An old streetcar city on a river delta, with a pier out to the island shrine.

게시: 2026년 9월 21일최종 업데이트: 2026년 9월 21일

Most arrivals step off a Shinkansen at Hiroshima Station with the line already live from the last city. Anyone flying into Hiroshima Airport (HIJ) lands on a plateau well outside town and takes a bus down for about an hour; the descent has curves and tunnels where the signal swings, so enable the line in the cabin and have the bus ticket bought or saved beforehand. At the station, open the tram app straight away — the stops are out on the road in front of the building, not inside it.

Hiroshima

What Hiroshima is like on a phone

Most people come to Hiroshima for two specific things: the peace memorial and the ferry across to Miyajima. Plenty stop for a single day between Osaka and Fukuoka. The city sits on a delta stitched with bridges, and the streetcars roll slowly down the middle of the road, which means you spend more of your travelling time looking at a screen than you would in a subway city. Coverage across the built-up area is even, and the trams stay connected end to end.

도착하면 할 일

Most arrivals step off a Shinkansen at Hiroshima Station with the line already live from the last city. Anyone flying into Hiroshima Airport (HIJ) lands on a plateau well outside town and takes a bus down for about an hour; the descent has curves and tunnels where the signal swings, so enable the line in the cabin and have the bus ticket bought or saved beforehand. At the station, open the tram app straight away — the stops are out on the road in front of the building, not inside it.

전파가 달라지는 곳

The centre around the memorial park and the Hondori arcade is continuous; the arcade roof does not block anything. The riverbanks and the many bridges are open sky and noticeably good. Out at Ujina pier the line is strong right up to boarding, then softens in mid-channel before returning as the island approaches. On Hijiyama hill, where people climb for the city view, a few pockets go quiet under the tree cover.

What a day here costs in data

A day here runs about 700MB–1GB; the routes are simple and much of the time is spent walking the memorial grounds. What costs more than expected is audio commentary or background reading while you walk, which streams steadily for an hour or two at a stretch. Island days climb higher because of photographs sent as they are taken. If you want to keep it down, download the commentary at the hotel before you go out.

Districts travellers ask about

  • Peace Memorial ParkOpen ground along the river with a steady connection throughout; a good place to run an audio guide as you walk, with headphones and a quiet phone out of respect for where you are standing.
  • HondoriThe long covered shopping street, busy in the early evening and untroubled by the roof; a convenient place to lock in a dinner booking before moving on.
  • Ujina PortThe pier for the island crossings and Inland Sea routes; the connection at the terminal is strong, so check sailings and buy the ticket before boarding, since schedules shift with the weather.
  • HijiyamaA low hill in the middle of town looking out over the whole delta; the summit is well served, though the shaded path up has weak stretches, so agree a meeting point before you split up.

Day trips out of the city

  • MiyajimaThe crossing is short but the line dips mid-channel; the shopping street and shrine are fine, while the climb up Mount Misen has long silent stretches. Check the last ferry before you start walking uphill, not after.
  • OnomichiA hillside town people use as the start of the island-hopping cycle route; town and the long bridges are well served because the bridges are wide open, but the lanes climbing the slope behind have scattered dead pockets.
  • IwakuniA wooden arched bridge over a wide river, with a ropeway up to the hill castle; the riverside is strong, while the cabin ride and the summit swing depending on which way the hill faces.
Plans that work here

eSIM plans for Hiroshima

Japan plans work country-wide, Hiroshima included.

Japan 50GB 30 days

NTT docomo / Rakuten Mobile / KDDI/au

Exits in Hong Kong · NTT docomo / Rakuten Mobile / KDDI/au

Fixed
데이터
50GB
사용 기간
30 days
핫스팟
가능
통신 방식
3G / 4G / 5G
  • 5G 지원
  • 핫스팟
  • 충전 지원

Validity starts on first connection at the destination

부터₩42,189₩40,073
자세히

Japan 50GB 30 days

NTT docomo

Exits in Japan · NTT docomo

Fixed
데이터
50GB
사용 기간
30 days
핫스팟
가능
통신 방식
3G / 4G / 5G
  • 5G 지원
  • 핫스팟
  • 충전 지원

Validity starts on first connection at the destination

  • One network
부터₩42,189₩40,073
자세히

Japan 20GB 30 days

NTT docomo / Rakuten Mobile / KDDI/au

Exits in Hong Kong · NTT docomo / Rakuten Mobile / KDDI/au

Fixed
데이터
20GB
사용 기간
30 days
핫스팟
가능
통신 방식
3G / 4G / 5G
  • 5G 지원
  • 핫스팟
  • 충전 지원

Validity starts on first connection at the destination

부터₩19,855₩18,857
자세히

Japan 20GB 30 days

KDDI/au

Exits in Singapore · KDDI/au

Fixed
데이터
20GB
사용 기간
30 days
핫스팟
가능
통신 방식
3G / 4G / 5G
  • 5G 지원
  • 핫스팟
  • 충전 지원

Validity starts on first connection at the destination

  • One network
부터₩19,855₩18,857
자세히

Japan 20GB 30 days

NTT docomo

Exits in Japan · NTT docomo

Fixed
데이터
20GB
사용 기간
30 days
핫스팟
가능
통신 방식
3G / 4G / 5G
  • 5G 지원
  • 핫스팟
  • 충전 지원

Validity starts on first connection at the destination

  • One network
부터₩19,855₩18,857
자세히

Japan 10GB 30 days

NTT docomo / Rakuten Mobile / KDDI/au

Exits in Hong Kong · NTT docomo / Rakuten Mobile / KDDI/au

Fixed
데이터
10GB
사용 기간
30 days
핫스팟
가능
통신 방식
3G / 4G / 5G
  • 5G 지원
  • 핫스팟
  • 충전 지원

Validity starts on first connection at the destination

부터₩12,145₩11,538
자세히
질문

Getting online in Hiroshima

I am only stopping in Hiroshima for a day mid-journey — do I need anything extra?+

Nothing extra, assuming your plan already covers the country — a stopover needs no separate arrangement. What is worth doing is saving the onward train ticket and the ferry times to the device, because a one-day stop runs tight and waiting for a page to load is genuinely how people miss a sailing.

Is the connection steady on the streetcars?+

Yes, because the trams run at street level rather than through tunnels, so there is no subway-style blackout. You can follow the map for the whole ride and know which stop is yours. The only real difficulty at rush hour is getting the phone out of your pocket, not the network.

I want to use an audio guide at the memorial — how should I prepare?+

Download the audio at your accommodation rather than streaming it in the sun — smoother, and much cheaper on data. Bring headphones; people come here to reflect. If you would rather borrow the site's own guide device, check the current terms on the official notice, because those arrangements change.

The signal drops mid-crossing on the ferry — is something wrong?+

Nothing is wrong: mid-channel you are far from masts on either shore, so it thins and comes back as the pier nears. If a ticket has to be shown on boarding or landing, keep it as an image on the device so nothing depends on loading it live.