A traditional unit of land area in countries of the former Yugoslavia. Usage varies. In Serbia, the lanac is equal to about 0.56 hectare (1.38 acres), making it the Serbian equivalent of the Austrian joch and Croatian jutro. In Croatia, however, the lanac is a larger unit equal to 0.7193 hectare (1.777 acres). The word "lanac" means "chain", presumably referring to surveyors' use of chains in measuring land