Boigny-sur-Bionne is a commune in the Loiret department, in the Centre-Val de Loire region, in north-central France. Boigny grew significantl…Boigny-sur-Bionne is a commune in the Loiret department, in the Centre-Val de Loire region, in north-central France. Boigny grew significantly in the 1970s with the establishment of an IBM plant in the north of the town, which later became Lexmark.