On The South, To The South

[joham]

Mexico lies to the south of the USA.
Mexico lies on the south of the USA.

Could you tell me which of the sentences is more often used? Do native English speakers prefer one to the other?

[riverkid]

Mexico lies to the south of the USA.
Mexico lies on the south of the USA.

Could you tell me which of the sentences is more often used? Do native English speakers prefer one to the other?

It depends on the words that collocate with to/on, Joham. Here, 'to' is the choice.