ここがあの事故があった場所です。

here (place physically close to the speaker, place pointed by the speaker while explaining); this place; these last (followed by a duration noun and a past sentence: time period before the present time of the speaker); these next ... (followed by a duration noun and a non past sentence: time period after the present time of the speaker); the next ...

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

that (someone or something distant from both speaker and listener, or situation unfamiliar to both speaker and listener)

accident; incident; trouble; circumstances; reasons

to be (usu. of inanimate objects); to exist; to live; to have; to be located; to be equipped with; to happen; to come about

place; location; spot; position; room; space; basho; wrestling tournament

be; is