Saint Nicholas is a legendary figure in European folklore based on the Greek early Christian bishop Nicholas of Myra, patron saint of children.

Saint Nicholas Day, also called the Feast of Saint Nicholas, observed on 6 December ) in Western Christian countries, and on 19 December in Eastern Christian countries using the old church Calendar, is the feast day of Saint Nicholas of Myra; it falls within the season of Advent. It is celebrated as a Christian festival with particular regard to Saint Nicholas' reputation as a bringer of gifts, as well as through the attendance of church services.