私はこのあたりは不案内なのです。

I; me; private affairs; personal matter; secrecy; selfishness

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

this (something or someone close to the speaker (including the speaker), or ideas expressed by the speaker)

on the bank of; by the side of (e.g. a river, pond); (in the) neighbourhood; neighborhood; vicinity; nearby; around (Sunday, last year, etc...); for instance

ignorance; inexperience; unfamiliarity

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

be; is