そこ

そこ is a demonstrative pronoun for places near the listener. It belongs to the ko-so-a-do system.

KO-SO-A-DO LOCATION WORDS:

• ここ: here (near speaker)
• そこ: there (near listener)
• あそこ: over there (far from both)
• どこ: where (question)

PARTICLE PATTERNS:

• そこに: to/at that place (location or destination)
• そこで: at that place (action location)
• そこを: through that place
• そこから: from that place

USAGE:
Commonly used when giving directions or referring to something in the listener's space. In conversation, そこ can also refer to a point just mentioned in the discourse ("at that point").