Sakamoto-jo Castle is the castle that existed in Sakamoto, Shiga County, Omi Province (in Sakamoto-joshi Park [Sakamoto-jo ruins of a castle park] 3-chome, Shimosakamoto, Otsu City, Shiga Prefecture).
坂本城（さかもとじょう）は近江国滋賀郡坂本(大津市)（滋賀県大津市下阪本3丁目の坂本城址公園内）にあった城。