Written records from this time period are sparse, however it is believed that the first governors of Hata and Tosa were from the Kamo clan based in modern Osaka.

Eventually, like many other provinces Tosa also was appointed absentee governors, given additional rights, and began amassing wealth.

Since Tosa Province was allied to the winning Minamoto Clan in the Genpei War, it quickly fell under the influence of the shogunate.

[4] Kōchi city is also the birthplace of noted revolutionary Sakamoto Ryōma, who became one of the main instigators of the Meiji Restoration.

Kōchi Prefecture comprises the southwestern part of the island of Shikoku, facing the Pacific Ocean.

Inamura-yama in Tosa-cho is the highest peak in Kōchi prefecture with an altitude of 1,506 meters above sea level.

Due to its location in the Shimanto Group geological area, Kōchi Prefecture has many sedimentary rocks and is prone to landslides.

In the early Edo Period, samurai Nonaka Kenzan oversaw large scale improvements to the Tosa Domain's major rivers.

Modern Kōchi Prefecture is known for its river management and minimal water damage despite receiving a large amount of rainfall.

[6][7] The 2013 movie Hospitality Department (Kencho Omotenashi Ka),[8] which shows views of Kōchi Prefecture.

The style represents the cultural climate of Kochi Prefecture, which dislikes formal arrangements and respects freedom.