The Valle de Lord was attached to the County of Urgell and the pagus of Berga (Berguedà) to the County of Cerdanya, but the region of the Ripollès, the Lluçanès, the Plana de Vic, and the Guilleries were structured around the city of Ausa, a region which in ancient times had been ethnically distinct, inhabited by the Ausetani.
The County of Ausona was thus born and to it Wilfred attached the Moianés and Bages, which already had their own traditional capital, Manresa, which had historically been the region of the Lacetani.
From the year 906, it is clear from documents that Manresa never possessed any judicial or administrative significance — it never had a viscount — rather it was a geographical unit solely.
The most notable difference between Manresa and the rest of Ausona was due to privileges granted by King Odo in 889 and 890 whereby he gave Manresa the right, because of its position on the front line against Moorish aggression, to build towers of defence called manresanas or manresanes.
Manresa fell into disuse as a term in the twelfth century, when the county was divided into veguerias.