最終確認日 · 掲載されている料金（円 / ¥）は目安です。 · Prices are approximate and for orientation only.
Overview & City Profile
Aki (安芸市, Aki-shi) Japanese pronunciation: [ä́.kʲì, ä̀.kʲi̥.ɕì] is a city located in Kōchi Prefecture, Japan. As of 31 July 2022, the city had an estimated population of 16,370 in 8076 households and a population density of 52 persons per km2. The total area of the city is 317.21 square kilometres (122.48 sq mi).
Within Kōchi Prefecture (Shikoku region), Aki (安芸市) serves as a city in kōchi prefecture. Travelers exploring Kōchi often combine a stop in Aki with regional highlights such as Original hilltop Kochi Castle, lively Hirome Market food hall, Katsurahama Beach (Sakamoto Ryoma statue), crystal-clear Shimanto River chinkabashi (submersible bridges), and Cape Ashizuri.
| 項目 | 基本データ：Aki (安芸市) |
|---|---|
| 日本語表記 | 安芸市 (Aki) |
| 行政区分 | City in Kōchi Prefecture |
| Prefecture & Capital | Kōchi Prefecture (Capital: Kōchi) |
| 地方区分 | Shikoku |
| 人口 | 20,555 residents |
| 総面積・人口密度 | 317.34 km² · 64.8 people per km² |
| 市制施行・設立 | 1954-08-01 |
| 緯度・経度 | 33.5°N, 133.9°E |
Getting to Aki & Getting Around
Via the regional hub (Kōchi Station (JR Nanpu Limited Express) & Kōchi Ryoma Airport (KCZ)): 2h 30m from Okayama Station across the mountains of Shikoku on the JR Nanpu Limited Express, or 1h 20m flight from Tokyo/Osaka.
- Local rail & IC cards: Once in Kōchi Prefecture, JR regional lines and local private railways connect Kōchi with Aki. Nationwide IC cards (Suica, Pasmo, Icoca) work on major urban and JR commuter gates; for rural branch lines or local buses, keep ¥1,000 bills and ¥100 coins handy for the onboard fare box.
- Luggage & station lockers: Main stations in Kōchi have coin lockers for day-trippers. If you are stopping in Aki en route between larger bases, check your suitcase dimensions in our Luggage & Locker Checker or forward big bags ahead with Takkyubin.
- Driving & car rental: While city centers around Aki are accessible by train and taxi, renting a car from a major Shinkansen station or airport in Kōchi can be rewarding for reaching mountain gorges, coastal viewpoints, and countryside onsen. Read our Renting a Car in Japan Guide.
Aki & Kōchiの名物グルメ・郷土料理
Akiでは、KōchiおよびShikoku地方ならではの豊かな食文化を楽しめます。訪問時にぜひ味わいたい名物料理はこちらです：
- Katsuo no tataki (straw-fire seared bonito topped with garlic, scallions & yuzu ponzu) — a signature specialty across Kōchi Prefecture.
- Sawachi ryori (communal banquet platters) — a signature specialty across Kōchi Prefecture.
- Nabeyaki ramen (in Susaki) — a signature specialty across Kōchi Prefecture.
- Yuzu citrus drinks & Sunday Market snacks — a signature specialty across Kōchi Prefecture.
For dietary restrictions or food allergies, open our Japanese Phrasebook & Show-to-Staff Cards to display clear Japanese dietary explanations at restaurants in Aki.
Best Time to Visit & Seasonal Highlights
August 9–12 for the Yosakoi Festival; May–October for clear turquoise rivers (Shimanto & Niyodo 'Niyodo Blue'); sunny subtropical winters.
Regional highlights across Kōchi Prefecture that pair well with a visit to Aki include: Original hilltop Kochi Castle, lively Hirome Market food hall, Katsurahama Beach (Sakamoto Ryoma statue), crystal-clear Shimanto River chinkabashi (submersible bridges), and Cape Ashizuri.
Aki旅行の実用アドバイス・注意点
- Tourist information center (観光案内所): Look for the Kankō Annaijo counter at the regional hub (Kōchi Station (JR Nanpu Limited Express) & Kōchi Ryoma Airport (KCZ)) or major stations in Kōchi Prefecture for free walking maps, bus timetables, and festival calendars.
- Cash & ATMs: While hotels, chain stores, and convenience stores in Aki accept international cards and IC payment, smaller family-run restaurants, shrines, and rural buses often prefer cash. 7-Eleven (Seven Bank) and Japan Post ATMs accept foreign debit cards reliably.
- Dining hours: Outside major metropolitan hubs, lunch typically runs 11:30 AM–2:00 PM and dinner spots open around 5:30 PM, with earlier last orders (around 8:00–9:00 PM) in smaller cities.
よくある質問（FAQ）
Where is Aki (安芸市) located in Japan?
Aki (安芸市) is a city located in Kōchi Prefecture in the Shikoku region of Japan (coordinates: 33.5°N, 133.9°E). It has a population of approximately 20,555 across an area of 317.34 km².
How do I get to Aki by train?
Most visitors reach Aki via the main prefectural gateway of Kōchi Station (JR Nanpu Limited Express) & Kōchi Ryoma Airport (KCZ). 2h 30m from Okayama Station across the mountains of Shikoku on the JR Nanpu Limited Express, or 1h 20m flight from Tokyo/Osaka. From the regional hub, connect by JR local/rapid lines, private commuter railways, or local bus to Aki. You can estimate long-distance rail costs using our Shinkansen Fare Calculator.
What local food is Aki and Kōchi known for?
In Aki and across Kōchi Prefecture, top local dishes include Katsuo no tataki (straw-fire seared bonito topped with garlic, scallions & yuzu ponzu), Sawachi ryori (communal banquet platters), Nabeyaki ramen (in Susaki), as well as Yuzu citrus drinks & Sunday Market snacks. Look for local ekiben (station bento boxes), morning markets, and family-run shokudo near the main station.
When is the best time of year to visit Aki?
August 9–12 for the Yosakoi Festival; May–October for clear turquoise rivers (Shimanto & Niyodo 'Niyodo Blue'); sunny subtropical winters. Check our Japan Seasonal Calendar to compare month-by-month weather and crowd levels.
Official sources & further reading
Rules, prices and schedules change. Confirm details here before you travel: