Any of twelve regions of Slovenia created in 2007 for administrative, legal and statistical purposes

The region of Brazil composed of the states of Paraná, Rio Grande do Sul and Santa Catarina.

The region of Brazil composed of the states of Alagoas, Bahia, Ceará, Maranhão, Paraíba, Pernambuco, Piauí, Rio Grande do Norte and Sergipe.

The region of Brazil composed of the states of Espírito Santo, Minas Gerais, Rio de Janeiro and São Paulo.

The region of Brazil comprising the states of Acre, Amapá, Amazonas, Pará, Rondônia, Roraima and Tocantins.

A type of region in some countries. / Any of the 31 populated places in Federal District (Distrito Federal), Brazil, which are officially designated as administrative regions.

A sub-discipline of economics that examines economic theories and policies particular to specific regions.

(statistics) A range of test values for which the null hypothesis is rejected.

plural of regional jet

A region of the Czech Republic. Capital: Olomouc