Campos is a municipality on the island of Mallorca, Spain, located on the south side of the island in the comarca of Migjorn. It borders the muniā¦Campos is a municipality on the island of Mallorca, Spain, located on the south side of the island in the comarca of Migjorn. It borders the municipalities Llucmajor, Porreres, Felanitx, Santanyí, and ses Salines.