Santa has made sure to check his "naughty or nice" list several times before packing his sleigh.
He has left the North Pole and began delivering presents to boys and girls around the world.
North Pole officials say the children of Ireland have been especially good this year and Santa says that's led to his toy workshop being more busy than ever.
He and his reindeer are are expected to fly over Ireland after midnight.
Santa says he's usually quite hungry by the time he arrives here and would really appreciate it if children could leave a snack out for him tonight.
Right now Santa is heading for Shenyang, China. You can keep up to date and follow Santa on his journey here!
