South Tipperary was a county in Ireland. It was part of the South-East Region and was also located in the province of Munster. It was named after the town of Tipperary and consisted of 52% of the land area of the traditional county of Tipperary. South Tipperary County Council was the local authority for the county. The population of the county was 88,433 according to the 2011 census. It was abolished on 3 June 2014.
For more information, see the EN Wikipedia article South Tipperary. especially the section "Geography and political subdivisions" and its subsections "Baronies" and "Civil parishes and townlands"