Girlguiding UK is the UK's largest voluntary organisation for girls and young women.
There are ten million people involved in guiding in 144 countries and over 600,000 members in the UK.
Guides usually meet once a week where they follow programme of activities, doing anything from abseiling to party planning and from circus skills to survival.
By taking part in these activities, guides learn lots of life skills such as working as a team.
Celebrities who used to be guides include Cat Deeley, Zoe Ball, Emma Thompson, Gail Porter, Carole Vorderman, Kate Moss and Davina McCall.
Guides have a number of famous ambassadors including singer Louise Rednap, TV presenters Anthea Turner and Fiona Phillips, actresses Susan Hampshire and Doon Mckichan and TV chef Brian Turner.
Guides are divided into groups according to age. These are:
- Senior section