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Japan is situated in northeastern Asia between the North Pacific and the Sea of Japan. The area of Japan is 377,873 square kilometers, nearly equivalent to Germany and Switzerland combined or slightly smaller than California. Japan consists of four major islands, surrounded by more than 4,000 smaller islands.

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Use the "JNTO TRAVEL PLANNER" for train and map information helpful in traveling around Japan.

  • By simply entering the departing and arrival station, get an overview of train transfer method, fares, and travel time.
  • By simply selecting the arrival airport and major train stations around Japan, find routes to stations nearest your destination.
  • Display a map of the arrival train station and areas surrounding sightseeing spots.

Read the "Usage Guide" and use this service for a safe and enjoyable trip in Japan.

Usage Guide


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Tourist Facilities of Japan

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Karatsu Castle

Karatsu Castle (Karatsu-jo) was built by the daimyo Terazawa Hirotaka who governed this region in 1602. Buildings such as the castle donjon stood inside the compound with a diameter of some 4 km. The old buildings were torn down when power passed from the Edo shogunate to the Meiji government, as they symbolized the political power of the samurai. The donjon and other structures were rebuilt in 1966, however. The rebuilt donjon has five tiers and five stories, with a lower ground floor, and houses an exhibition space. Much precious fine art that bears witness to the history of Karatsu region is exhibited here.

Higashi-Jonai, Karatsu-shi, Saga

Admission Fee
400 yen

Dec. 29-31

JR Karatsu Station/Bus/10 min./Karatsujo-iriguchi Bus Stop/On foot/5 min.