Machine translation of the Portuguese Wikipedia article (November 2026 version).
Teófilo Otoni is a Brazilian municipality in the interior of the state of Minas Gerais, in the Southeast Region of the country. It is located in the Mucuri Valley, about 450 km north-east of the state capital. It covers an area of approximately 3,240 km², of which 24 km² is urban area, and its population was estimated at 142,851 inhabitants in 2025, making it the 18th most populous municipality in the state.
The region began to be explored during the 16th century, in expeditions seeking gold and diamonds in the area; however, it was only in 1853 that the so-called “Companhia de Comércio e Navegação do Mucuri” (Mucuri Trade and Navigation Company) arrived at the site. Its aim was to settle the Mucuri Valley, and it was led by Theophilo Benedicto Ottoni. He founded the pioneering settlement on the banks of the Todos os Santos River on 7 September of that year. Having received a considerable number of immigrants, mainly Germans, the municipality over time discovered its economic vocation in the exploitation of precious stones, and today it is considered the “World Capital of Precious Stones”.
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