sentences:  The river flows northeast through Pesaro e Urbino before forming the border between Pesaro e Urbino and the province of Ancona for a short distance.It continues flowing northeast through Pesaro e Urbino and flows past Pergola before becoming the border with Ancona again near San Lorenzo in Campo.The river flows northeast near Mondavio, Corinaldo and Monte Porzio before the province of Ancona extends westward beyond the bank of the river for a short distance near Mondolfo.