Research what a Parish is and create a poster with pictures using the information that you find.
https://wiki.kidzsearch.com/wiki/Parish
https://kids.kiddle.co/Parish
https://en.wikipedia.org/wiki/Parish_(Catholic_Church)
https://catholicdos.org/what-is-a-parish
https://parish.rcdow.org.uk/kensalnewtown/parish-groups/