Metropolitan Cathedral of Our Lady Mother of God, Porto Alegre

Porto Alegre (UK: , US: , Brazilian Portuguese: [ˈpoʁtwaˈlɛɡɾi] (listen); lit. '"Joyful Harbor"') is the capital and largest city of the Brazilian state of Rio Grande do Sul. Its population of 1,488,252 inhabitants (2020) makes it the 12th-most populous city in the country and the center of Brazil's fifth-largest metropolitan area, with 4,405,760 inhabitants (2010). The city is the southernmost capital city of a Brazilian state.Porto Alegre was founded in 1769 by Manuel Jorge Gomes de Sepúlveda, who used the pseudonym José Marcelino de Figueiredo to hide his identity; the official date, though, is 1772 with the act signed by immigrants from the Azores, Portugal. The city lies on the eastern bank of the Guaíba Lake, where five rivers converge to form the Lagoa dos Patos, a giant freshwater lagoon navigable by even the largest of ships. This five-river junction has become an important alluvial port and a chief industrial and commercial center of Brazil. In recent years, Porto Alegre hosted the World Social Forum, an initiative of several nongovernment organizations. The city became famous for being the first city that implemented participatory budgeting. The 9th Assembly of the World Council of Churches was held in Porto Alegre in 2006. Since 2000, Porto Alegre also hosts one of the world's largest free software events, called FISL. The city was one of the host cities of the 2014 FIFA World Cup, having previously been a venue for the 1950 FIFA World Cup. In the middle of 2010s, Porto Alegre had a growing wave of violence, being ranked as 39th among the world's 50 most violent cities in 2017. Nevertheless, the number of violent crimes has been dropping steadily since 2018.

Praça Marechal Deodoro, better known as Praça da Matriz (in English: "Matriz Square"), is a historic square in the city of Porto Alegre, the capital of the Brazilian state of Rio Grande do Sul. It is located in the heart of the city, in the Historic Center, and has existed since the early days of the capital. It is listed by the National Institute of Historic and Artistic Heritage.

Júlio de Castilhos Museum (Portuguese: Museu Júlio de Castilhos) is a museum located in the city of Porto Alegre (Rio Grande do Sul, Brazil). It is the oldest museum in Rio Grande do Sul state. Its collection, over 10 thousand pieces, is Brazilian national heritage, and comprises objects of historical, artistic, ethnographic and archaeological character, mostly related to the history of Rio Grande do Sul. Its sections for the Ragamuffin War and the Paraguayan War are specially rich. The museum also preserves a few but very important examples of sculptures produced within Indian Reductions by Jesuits and indigenous peoples.

Metropolitan Porto Alegre (Portuguese: Metropolitana de Porto Alegre) is one of the seven Mesoregions of the state of Rio Grande do Sul in Brazil. It consists of 98 municipalities, grouped in 6 Microregions: Camaquã Gramado-Canela Montenegro Osório Porto Alegre São Jerônimo

Greater Porto Alegre or the metropolitan area of Porto Alegre is the 5th most populous metro area in Brazil, with an estimated population of 4.3 million inhabitants encompassing 34 municipalities around Porto Alegre, the capital of the state of Rio Grande do Sul. Currently, it comprises 10 234,012 km2 with a total population of 4 293 050 inhabitants, according to IBGE data of 2017. Only the metropolitan areas of São Paulo, Rio de Janeiro, Belo Horizonte, and Brasília, respectively, are larger than Porto Alegre. Porto Alegre has the 4th largest GDP in the country, estimated at 92 billion dollars. Greater Porto Alegre is a strategic area for the development of the state, the Southern Cone, and the Mercosur, with an economy based on manufacturing, chemicals, automotive, food, education, steel production, semiconductors, and services, to name a few. It possesses an enormous industrial potential and is home to some of the largest companies in Brazil, and also of many multinationals. The region is also home to several technology parks and universities, with the federal university UFRGS being recognized by the Ministry of Education (MEC) as the best in Brazil for three years in a row.

The Piratini Palace (Portuguese: Palácio Piratini) is the current seat of the Executive Branch of the Brazilian state of Rio Grande do Sul. It is located at Marechal Deodoro Square, also known as the Mother Church Square, in Porto Alegre's historic center. The Piratini Palace has been the official residence of thirty-eight governors.

The Palace of the Public Ministry of the State of Rio Grande do Sul (Portuguese: Palácio do Ministério Público do Estado do Rio Grande do Sul), or simply Palace of the Public Ministry, also known as Fort Apache (Portuguese: Forte Apache), is a historic building in Porto Alegre, the capital of Rio Grande do Sul. It is located in the Mother Church Square and integrates a complex of buildings of great architectural and historical significance. Due to its multiple uses and design over time, this building received many names, such as Provincial Assembly Building, Provisional Palace, Public Offices Building, and Public Works Building.

The Legislative Assembly of Rio Grande do Sul (Portuguese: Assembleia Legislativa do Rio Grande do Sul) is the unicameral legislature of Rio Grande do Sul state in Brazil. It has 55 state deputies elected by proportional representation. The first legislature was on April 20, 1835, in the first day of the assembly, the deputy Bento Gonçalves is accused by the president of the province of articulating the separation of the Rio Grande, this marked the beginning of the Ragamuffin War. From September 20, 1835, to June 15, 1836, only the Farrapos attends in the assembly, the revolution also suspends the elections in 1837, the assembly is closed until the second legislature, that begins on March 1, 1846.

The São Pedro Theatre (Theatro São Pedro in Portuguese) is the oldest theatre in the city of Porto Alegre, the state capital of Rio Grande do Sul, Brazil.

The Otávio Rocha Viaduct is an outstanding engineering work in Porto Alegre, capital of the Brazilian state of Rio Grande do Sul. It is located in the city center, at the intersection of the Duque de Caxias Street and Borges de Medeiros Avenue.

The Historic and Geographic Institute of Rio Grande do Sul (Portuguese: Instituto Histórico e Geográfico do Rio Grande do Sul), or IHGRGS, is a private non-profit institution based in Porto Alegre, and founded on August 5, 1920. Its main goal is to promote and spread the production of knowledge, especially focused on the state of Rio Grande do Sul. It went through several locations until it settled in the current building in Porto Alegre, inaugurated on March 25, 1972, which includes a research room, the Tomás Carlos Duarte Library, an archive room, the general library, the map library, and an auditorium with capacity for 150 people.The institute has two large bibliographic collections at its headquarters (about 150,000 volumes in all), dealing mainly with the history and geography of the state, as well as anthropology, paleontology and folklore. In 2003, the Institute started informatizing its library.Until the 1950s, the IHGRGS was the main producer and diffuser of historical knowledge in the state, even more than the Federal University of Rio Grande do Sul (UFRGS). In the 1930s and 1940s, with the celebration of the Ragamuffin War centennial and the historical congresses of Rio Grande do Sul, the IHGRGS reached its peak. However, from the mid-1940s on, there was a division between members who defended a renewal of the historiographical model and those who remained faithful to a more political and military approach. From then on, the Institute lost its hegemony in the local historical production.The Revista do Instituto Histórico e Geográfico do Rio Grande do Sul was published quarterly and uninterruptedly from 1921 to 1950, appearing again in 1975; currently it is part of the UFRGS academic journal system and is published every six months.

Clube do Comércio (English: Commerce Club) is based in the Brazilian city of Porto Alegre, in the state of Rio Grande do Sul. Founded in 1896, it is one of the city's most traditional clubs. The headquarters, located on Andradas Street, was listed as a landmark site by the Porto Alegre City Hall in 1996.