The fundraiser takes place on Thursday May 2nd.
Over 3,000 people are living with dementia in the midlands.
The Alzheimer Society of Ireland says there are 1,154 people living with the condition in Westmeath, 1,068 in Offaly and 962 in Laois.
The charity is launching its annual Tea Day and wants people to support the fundraiser which takes place on Thursday May 2nd.
The Head of Fundraising Mairéad Dillon says they need to raise over €3m this year: