Western Shizuoka was once the province of Tōtōmi-no-kuni (遠江国), also known as Enshū (遠州), which you'll still see in many company names and placenames in the area today. The eastern part of the prefecture was once the province of Suruga-no-kuni (駿河国), while the Izu Peninsula was its own province, Izu-no-kuni (伊豆国) The famous mountains are Mt. Hakone（箱根山）, Mt. Amagi（天城山）, Mt. Fuji（富士山） and Mt. Akaishi（赤石山脈）.
Enshū (Western region)
Suruga (Central region)
The dialect in Western Shizuoka is known as Enshū-ben (遠州弁).