Greta Thunberg: Will she win the Nobel Peace Prize?

Barack Obama, Malala Yousafzai and Nelson Mandela are just some of the people who've been given one of the most famous prizes in the world - the Nobel Peace Prize.

It's a pretty nice thing to get because it's saying you've done amazing work to help bring good into the world.

It's been given out since 1901 and this week we'll find out who's won for 2019 - climate campaigner Greta Thunberg is thought to have a good chance to get it.

Sameena's been finding out more about the famous prize.