Absolutely no nudity at all.

A man and a woman can be seen having sex, no nudity.

A woman tries to seduce a man by making the buttons of her cleavage jump off.

The only scene with a bit of violence which could be considerate as moderate is straight at the beginning when a sleeping couple gets stabbed to death with wooden stakes.

2 Teens fight.

A man gets bitten in the neck.

There's a big fight between people and vampires at the end of the movie, no bloodshed or gore.

3 People get killed by a bunch of vampires (offscreen).

A boy gets shot with an arrow.

Some occasional drinking.