Honshu the economy along the northwestern Sea of Japan coast is largely based on fishing and agriculture. The island is linked to the other three major Japanese islands by a number of bridges and tunnels. Its climate is humid and mild. The island is roughly long and ranges from wide, and its total area is , 60% of the total area of Japan, making it slightly larger than Great Britain. Its land area has been increasing with land reclamation and coastal uplift in the north, but global sea level rise has diminished these effects. Honshu has of coastline. Mountainous and volcanic,
Phetchabun Province and 1261 villages ("muban"). The word "phetcha" originates from the Sanskrit word "vajra" meaning "diamond" (or weapon of Indra), and the word "bun" from Sanskrit "purna" meaning "full", "perfect" or "whole". Hence the name of the province literally means "perfect diamond". Initially, the province was called "Phe-cha-buth" as "Phuenchapura", which means the city that has plenty of crops. The reason is that the province is very fertile and has ample resources. Because of the fertility of the land, Phetchabun has always been agriculturally productive area. Phetchabun was established by two kingdoms: the Sukhothai Kingdom, and the Ayutthaya Period of the