Ladná is a municipality and village in Břeclav District in the South Moravian Region of the Czech Republic. It has about 1,300 inhabitan…Ladná is a municipality and village in Břeclav District in the South Moravian Region of the Czech Republic. It has about 1,300 inhabitants. Ladná is located about 4 kilometres north of Břeclav and 47 km south of Brno. It lies in a flat agricultural landscape in the Lower Morava Valley. The Thaya River flows along the western municipal border.