It's the first of a two-day event in the county.
Housing and health will be the focus of the first day of the Fianna Fáil think-in today.
The party's TDs and senators will gather in Mullingar ahead of the Dáil's return on Wednesday.
The cost-of-living crisis will also feature prominently in the two-day event in Co Westmeath.
Fianna Fail senator Catherine Ardagh says low-income households must be supported in the Budget later this month: