Larreategui

Larreategui is a Basque surname that may refer to people called Larreátegui or Reátegui.
Reátegui.
The surname "Reátegui" is widely spread in the northern Peruvian Amazon region, particularly around Iquitos, Tarapoto, Moyobamba, Rioja, and Lamas. The surname is derived from the Basque "Larreategui". The first Reátegui in Peru was Pedro de Larreategui y Gaviria, founder of the city of Lamas in 1656. One of his descendants, Félix de la Rosa Reátegui y Gaviria, founded "Santo Toribio de la Nueva Rioja" on 22 September 1782, today's town of Rioja in San Martin Region of Peru.