The Satchodohi was a generic name of 4 Domains, Satsuma, Choshu, Tosa and Hizen, which were called 'Yuhan (powerful domain)' in the late Edo Period, implemented the Meiji Restoration and supplied people for major government service in the Meiji Government.
薩長土肥（さっちょうどひ）は、幕末期、「雄藩」と呼ばれ、かつ、明治維新を推進して明治政府の主要官職に人材を供給した薩摩藩、長州藩、土佐藩、肥前藩4藩の総称。