The Vale do AÃ o metropolitan area ( RegiÃ # o Metropolitana do Vale do AÃ o , in portuguese ) is a metropolitan area in Minas Gerais , Brazil , comprising only the four municipalities of Coronel Fabriciano , Ipatinga , Santana do ParaÃ so and TimÃ teo , but have an influence area of 22 other municipalities . The Vale do AÃ o Metropolitan Region ( RegiÃ # o Metropolitana do Vale do AÃ o , in portuguese ) is a metropolitan area in Minas Gerais , Brazil , comprising only the four municipalities of Coronel Fabriciano , Ipatinga , Santana do ParaÃ so and TimÃ teo , but have an influence area of 22 other municipalities .