Agios Thomas (Greek: Άγιος Θωμάς) is a village in Boeotia, Greece. It is a community of Tanagra municipality, near Athens.
The name: Mavromati is mentioned in the book of Colonel William Martin Leake: Travels in Northern Greece, during his visit to the region in 1806. Also the prefect of Thebes, N. Karoris at his report: 'Ekthesis incident, raising the month of April during the 1830' on the conflict with the Turks to lands on 19 June 1833, records the name or Liatani or Mavromati village of Livadia . (Liatani was under the jurisdiction of the province Livadias). Source: Unpublished Documents relating to the final deliberation of the land in eastern Greece. Elias Papathanassopoulos.