Name Nagasaka Type Surname (from location) Usage Japanese Scripts 長坂, 長阪(Japanese Kanji) ながさか(Japanese Hiragana) Pronounced Pron. /nä.ɡä.sä.kä/ Edit Status Status3. usages AND description are verified Meaning & History From Japanese 長 (naga) meaning "long" and 坂 or 阪 (saka) meaning "slope".