Arauco Department
# Arauco Department

Arauco is a department of La Rioja Province, Argentina.

## Population

It had 723 inhabitants at the 2001 census, an increase of 16% since the last census in 1991, when it had 623 inhabitants.

## Settlements

* Aimogasta
* Arauco
* Bañado de los Pantanos
* Estación Mazán
* Machigasta
* Termas de Santa Teresita
* Udpinango
* Villa Mazán
* San Antonio

28°34′10″S 66°47′56″W﻿ / ﻿28.56944°S 66.79889°W﻿ / -28.56944; -66.79889

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