The Ikoma Plateau (elevation 540 meters) is located at the northern foot of the Kirishima Mountain Range.

In the central and southern part of the city, the Kobayashi Basin is formed by the collapse of a caldera, and the northern part of the Kobayashi Basin contains the central urban area of the city, and because of the volcanic nature of the geography, there are many hot springs.

The area of Kobayashi was part of ancient Hyūga Province and was called "Hinamori" (夷守) in the Nara period as it was the location of a military settlement on the frontier of the Yamato Kingdom against the Hayato people further south.

The Itō were defeated by the Shimazu clan of Satsuma Province in 1572, who established a stronghold at Kobayashi Castle.

The Shimazu continued to rule the area as part of Satsuma Domain to the end of the Edo Period.

On March 20, 2006, the village of Suki (from Nishimorokata District) was merged into Kobayashi, roughly doubling the city's size.

[5] Kobayashi has a mayor-council form of government with a directly elected mayor and a unicameral city council of 19 members.

In terms of national politics, the city is part of the Miyazaki 1st district of the lower house of the Diet of Japan.

Features a freshwater aquarium, restaurants specializing in carp dishes, and a beautiful lakefront scenery.

Idenoyama Pond was created by the Satsuma Domain in 1614 for irrigation water, and around this area a large number of flora and fauna inhabit.

At the adjacent Miyazaki Prefectural Fisheries Experimental Station Kobayashi Branch, sturgeon has been successfully hatched using spring water, and its caviar has been commercialized in cooperation with the private sector.

He departed from Kyoto, passed through Nagato and Toyokuni, then at Hyuga, he established Takaya-no-miya (near Saito) to fight the Kumaso.

Even now, the Benzaiten Festival is held every April to celebrate Mizugami-sama, and there is still a stone that is connected to the grave of Izumihime next to the cemetery in Oidemizu district.

Excerpt of the legendary "Izumihime Monogatari" Inyoseki is a couple rock in the Homanose river which is located in east part of Kobayashi city.

Since ancient times, it has been worshiped as the god of marriage, child treasure and prayer for safe delivery.

In 1950, Kobayashi Municipal "Hamanoseso Ryokan" was opened, and since then, the "Inyoseki Festival" is held every September.

In April 1929, Noguchi Ujo, a poet, visited this Inyoseki and composed a poem, which is on a monument erected in 1951.

Kirishimayama Mountain is a collective term for volcanic groups near the border between Miyazaki and Kagoshima prefectures in southern Kyushu.

History According to the Kojiki, this mountain was the place of Tenson-korin; a couple of gods, Izanagi (male) and Izanami (female) descended from Takama-no-Hara, heaven, to Takachiho-no-Mine.

It is said, that Izanagi-no-Mikoto and Izanami-no-Mikoto placed the Ama-no-Sakahoko on the peak of Takachiho-no-Mine, and mixed the earth to create the country.

On May 3, 1572, he with around 3,000 troops attacked Kakuto Castle, protected by Shimadzu's vassal, Kawakami Tadatomo, from Minoyama (Kobayashi), the front base.

The Iwase river (now Ishigori river) surrounds the west, north and east of this Kobayashi castle, forming like a natural moat, and the southern part faces cliffs of shirasu soil, which is volcanic ash soil making it difficult to climb.

There are markers, such as the indicator of the Honmaru, the main bailey, but most of part is covered with grove of mixed trees.

The best spearman, Yunokizaki Tango-no-Kami (Masaie) boldly turned back, and had a one on one fight against Shimazu Hyogo-no-Kami (Yoshihiro).

The tomb of Yunokizaki Tango-no-Kami remains in the northwest, and a stone monument was built in honor of the martial arts, and is still carefully protected.

According to Professor Yamamoto from Historiographical Institute at the University of Tokyo, for Shimadzu, there was no choice to kill his vassals, Ijuin Tadasane, who was a key person of opposition.

In 1566, Shimadzu troops attacked Kobayashi castle, which was under construction, Shigekata fought with his younger brother, Noriyuki.

Shigekata achieved pledging two things, Shimadzu troops retreating and ceding of Obi territory.

The tomb of Yunokizaki Tango-no-Kami remains in the northwest, and a stone monument was built in honor of the martial arts, and is still carefully protected.

The tomb is located slightly off Kayumochida the Old Battlefield Ruins, which is designated by Kobayashi city.