What does そこ mean?
そこ is a Japanese noun meaning “that place, there; bottom, sole” in English. It can also be translated as “there (place just mentioned), then (of some incident just spoken of), you” depending on context. It is written as そこ in hiragana, and soko in romaji. This word is part of JLPT N5 vocabulary.
Example sentence
１時間以内にそこに着くでしょう。
We'll arrive there within an hour.