Refers to the general vicinity or neighborhood near the speaker.
Let's finish up here for today.
Is there a post office around here?
This area is quiet at night.
this point; this much; this extent
Used to indicate a rough point in a discussion, an approximate amount, or a degree. Often appears in phrases like この辺で (at this point) or この辺が (this much is).
Let's end the talk at this point.
I think this much is the limit.
Is there a convenience store around here?
Budget-wise, I think this is about the limit.
近所 refers concretely to one's neighborhood or nearby houses, while この辺 is a vaguer way to point at 'this area'.
近辺 is a more formal, written equivalent of この辺, often used in official or descriptive contexts.
その辺 points to a place near the listener or something already mentioned, while この辺 points to a place near the speaker or the current location.
この辺 is the more common, slightly more formal way to say 'around here', while ここら is a colloquial pronoun with the same meaning.
Standard kanji spelling; the most common written form.
Rarely used kanji form.
Compound of この (this) and 辺 (vicinity, area). The reading へん is a common on'yomi for 辺 when used as a suffix meaning 'area' or 'vicinity'.