Casalbuttano ed Uniti is a comune (municipality) in the Province of Cremona in the Italian region Lombardy, located about 70 kilometres (43 mi) southeast of Milan and about 14 kilometres (9 mi) northwest of Cremona. As of 31 December 2004, it had a population of 4,033 and an area of 23.2 square kilometres (9.0 sq mi).