Le BlancLe Blanc is a commune and a subprefecture of the department of Indre, and the region of Centre-Val de Loire, central France.GeographyLe Blanc is the main city of the Parc naturel régional de la Brenne, on the banks of the river Creuse.HistoryLe Blanc, which is identified with the Roman Oblincum, was in the middle ages a lordship belonging to the house of Naillac and a frontier fortress of the province of Berry.PopulationBuildingsThe church of St Génitour dates from the 12th, 13th and 15th centuries. There is an old castle restored in the 19th century.FacilitiesNear Le Blanc, there is a VLF-transmitter of French Navy. It transmits messages on 18.3 kHz and 21.7 kHz to submerged submarinesClimate