Article

12202 ／ちょうしし

Choshi City

On foggy days, an iron hut sounded out.

Former foghorn house, Inubosaki

Photo by onething (CC BY 3.0)

01 ／ Modern architecture

A night school and a libraryopened here in 1926.

Modern architecture in Choshi City — Photo by くろふね (CC BY 4.0)

The former Kosei Kaikan opened in 1926 (Taisho 15), built by the Kosei-kai foundation to run the Kosei Gakuin night school and the Kosei Library. A two-storey reinforced-concrete building, it has a projection room jutting out above the entrance to the second-floor hall. It is now a community center.

Nationally registered Tangible Cultural Property
Opened 1926
Two-storey reinforced concrete

02 ／ Modern architecture

A parlor with a ship-bottom ceiling,carved with sea bream and sailing ships.

The Isokaku Shoten main house is said to have been a shipping wholesaler's home at Choshi Port. Built in 1953 as a two-storey wooden house, it has a second-floor room with a ship-bottom-shaped coffered ceiling and carvings of sea bream and sailing ships. A Western-style reception room projects from its south side.

Registered Tangible Cultural Property (2014)
Built 1953
Visits need advance contact

03 ／ Strata

The sandstone of Inubosaki's stratahas long been called Choshi stone.

The Cretaceous shallow-sea deposits of Inubosaki are a National Natural Monument, where ripple marks and trace fossils can be seen in strata about 120 million years old. The sandstone of the Choshi Group has long been called "Choshi stone" and used as building material.

National Natural Monument (2002)
Strata about 120 million years old
Sandstone called "Choshi stone"

Choshi City from the sky

Now and 1974–78. Tap a photo to zoom in.

Now1974–78

Wide (about 6 km across)

Close (about 1.5 km across)

Now (shot March 2025)Shot 1974–78

Source: Geospatial Information Authority of Japan (GSI) GSI Tiles（全国最新写真（シームレス）／国土画像情報（第一期：1974〜1978年撮影））

Open in GSI Maps (now)Open in GSI Maps (1974–78)

Living here

109 minutes to Tokyo by limited express.

about 60,000 people
2 hours to a city centre

The Limited Express Shiosai No. 7 runs from Tokyo Station to Choshi Station in 109 minutes with no change. This is the fastest of the trains that run every day.

People living here: 58,431people
Area: 84.12km²
Households: 25,544households
Rent (average for rentals): 38,117yen
Healthcare: 5 hospitals ／ 31 clinics

Area and habitable land at the same scalee-Stat B1101 / B1103

Children waiting for childcare: —11 nurseries and similar
Home purchase subsidy: —
Average annual temperature: —

These 3 items are waiting on a nationwide data source. We do not fill them with estimates.

ACCESS

Where you can go from here.

Choshi City in Japan35.735°N 140.827°E

to TokyoLtd. exp. Shiosai109min

Travel times follow JR東日本の駅の時刻表（千葉駅の下り・平日と土曜・休日、2026年10月22日に取得）の特急しおさいの列車ページ。東京の発→銚子の着を列車ごとに数えた (checked 2026-10-22). They vary by time of day.

Shape

Borders 3 municipalities across 1 prefectures.

Territory of Choshi City

Boundaries: National Land Numerical Information (Administrative Area Data), MLIT. Processed by Machigatari.Lakes: National Land Numerical Information (Lake Data), MLIT. Processed by Machigatari. Prepared with the approval of the Director-General of the Geospatial Information Authority of Japan, using its Digital Map 25000 (Spatial Data Framework) and Digital Map 25000 (Place Names and Public Facilities). (承認番号平27情使、第585号)

North to south

13.8km

Chiba Prefecture: Asahi City, Tonosho Town
Ibaraki Prefecture: Kamisu City

Choshi City isthis kind of town.

01At Inubosaki, the former foghorn house is iron from wall to ceiling, with a horn jutting from its roof (built 1910)
02The former Kosei Kaikan opened in 1926 to run a night school and a library
03The ship-bottom ceiling of the Isokaku Shoten main house and the sandstone known as "Choshi stone" tell of the town's buildings and stone

If something caught your eye, ask the town itself.

Choshi City official site ↗Wikipedia ↗

From this town's themes