The Metropolitan Region of Maringá, established by Complementary State Law 83/1998, consists of the municipalities of Maringá, Sarandi, Marialva, Mandaguari, Paiçandu, Ângulo, Iguaraçu, Mandaguaçu, Floresta, Doutor Camargo, Itambé, Astorga, Ivatuba, Bom Sucesso, Jandaia do Sul, Cambira, Presidente Castelo Branco, Flórida, Santa Fé, Lobato, Munhoz de Mello, Floraí, Atalaia, São Jorge do Ivaí, Ourizona and Nova Esperança. Comprising 26 municipalities, it covers an area of 5,978.592 km² and has an estimated population of around 851,000 inhabitants (IBGE/2022). The last modification occurred in 2012 through Complementary State Law 145, which added the municipality of Nova Esperança. The region may still expand with the inclusion of 8 more municipalities (Marumbi, Santo Inácio, Colorado, Paranacity, Engenheiro Beltrão, Fênix, Barbosa Ferraz and Quinta do Sol) through an amendment to Complementary Law Project No. 6/2013, expanding to a total of 34 municipalities. History. Complementary State Law 83/1998. Established the Metropolitan Region of Maringá, initially consisting of 8 municipalities: Maringá, Sarandi, Paiçandu, Mandaguaçu, Marialva, Mandaguari, Ângulo and Iguaraçu. The law was signed by the president of the Court of Justice of Paraná and also acting Governor Des. Henrique Chesneau Lenz César. Law No. 13565/2002. Amends Complementary State Law 83/1998. Adds the municipality of Floresta to the Metropolitan Region of Maringá. Signed by the president of ALEP, Hermas Brandão. Complementary State Law 110/2005. Amends Complementary State Law 83/1998. Adds 4 municipalities to the Metropolitan Region of Maringá: Doutor Camargo, Itambé, Astorga and Ivatuba. Signed by the president of ALEP, Hermas Brandão. Complementary State Law 127/2010. Amends Complementary State Law 83/1998. Adds 12 municipalities to the Metropolitan Region of Maringá: Bom Sucesso, Jandaia do Sul, Cambira, Presidente Castelo Branco, Flórida, Santa Fé, Lobato, Munhoz de Mello, Floraí, Atalaia, São Jorge do Ivaí and Ourizona. Signed during the government of Roberto Requião. Complementary State Law 145/2012. Amends Complementary State Law 83/1998. Adds the municipality of Nova Esperança to the Metropolitan Region of Maringá. Signed during the government of Beto Richa.