Article

12342 ／こうざきまち

Chiba Prefecture 香取郡

Kozaki Town

Five trunks ring the burned main trunk.

Kozaki no Okusu, Kozaki Shrine

Photo by Yushu-kasai (CC BY-SA 4.0)

01 ／ Nio gate

Jingu-ji's Nio gate: mid-Edo period.Its Kannon hall: Genroku era, it is said.

Jingu-ji is a Shingon temple founded as the shrine's administrative temple, known as Namiki Kannon. Its vermilion Nio gate was built in the mid-Edo period, and the Kannon hall, also called Daihikaku, is said to date to the Genroku era.

Nio gate: mid-Edo period
Kannon hall: Genroku era, it is said
Founded as the Kozaki Shrine's temple

02 ／ Shrine forest

"Here below Kozaki forest,"boatmen sang in the Edo period.

Kozaki-mori, the forest around Kozaki Shrine, is a prefectural natural monument. In the Edo period, boatmen on the Tone River sang of it as a landmark: "Here below Kozaki forest, steer well, boatman." Yabunikkei, tabu and sudajii trees grow here.

Prefectural natural monument (23 Aug 1935)
A landmark for Edo-period boatmen
Yabunikkei, tabu, sudajii and more

03 ／ Old documents

12 Konoe family documents and one mapbound into a single scroll.

The prefecturally designated Kozaki Shrine Documents bind 12 documents and one map, dating from 1221 to the Oei era (1394-1428), into one scroll. The map is called a kind of shrine mandala, and the documents hint at trade at Kozaki port on the Katori Sea.

Prefectural cultural property (old documents, 17 Apr 1970)
12 documents and one map
Trade at Kozaki port on the Katori Sea

Kozaki Town 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 April 2013)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

70 minutes by express bus from Tokyo Yaesu.

about 6,000 people
90 min to a city centre
Rural district town

Keisei Bus's express bus takes 70 minutes at the fastest from Bus Terminal Tokyo Yaesu to a stop in town (timetable revised 20 March 2026). The town's railway station is Shimosa-Kozaki Station on the JR Narita Line.

People living here: 5,816people
Area: 19.9km²
Households: 2,289households
Rent (average for rentals): —
Healthcare: 0 hospitals ／ 2 clinics

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

Children waiting for childcare: —2 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.

Kozaki Town in Japan35.902°N 140.405°E

to TokyoHighway bus70min

Travel times follow 京成バス公式『高速バス東京駅～銚子駅方面（佐原・小見川ルート）』の時刻表（時刻：2026年03月20日改正・運賃：2022年09月17日改定）。『「東京駅」から「佐原・小見川」方面行き』の表で、バスターミナル東京八重洲地下A（A02のりば）の発と、発酵の里こうざき（着）を比べた (checked 2026-10-22). They vary by time of day.

Shape

Borders 4 municipalities across 1 prefectures.

Territory of Kozaki Town

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

6.5km

Chiba Prefecture: Narita City, Katori City
Ibaraki Prefecture: Inashiki City, Kawachi Town

Kozaki Town isthis kind of town.

01Kozaki no Okusu at Kozaki Shrine is a national natural monument. Its main trunk, burned in a fire at the shrine, was cut about 7 m up, and five trunks from the base surround it. Its nickname, Nanjamonja, is said to come from Mito Mitsukuni asking himself what the tree could be
02Jingu-ji's Nio gate dates to the mid-Edo period and its Kannon hall to the Genroku era, it is said, while Kozaki forest was sung of by Edo-period boatmen
03The prefecturally designated Kozaki Shrine Documents bind 12 documents from the Konoe family of Kyoto and one map into one scroll, hinting at trade at Kozaki port on the Katori Sea

If something caught your eye, ask the town itself.

Kozaki Town official site ↗Wikipedia ↗