Holedeč is a municipality and village in Louny District in the Ústí nad Labem Region of the Czech Republic. It has about 700 inhabitants. Holedeč lies approximately 20 kilometres (12 mi) south-west of Louny, 56 km (35 mi) south-west of Ústí nad Labem, and 64 km (40 mi) west of Prague.