Pozzomaggiore (Sardinian:Puthumajore) is acomune (municipality) in theMetropolitan City of Sassari in theItalian regionSardinia, located about 140 kilometres (87 mi) northwest ofCagliari and about 40 kilometres (25 mi) south ofSassari. As of 31 December 2004, it had a population of 2,871 and an area of 79.4 square kilometres (30.7 sq mi).[3]