Arauco is a department of La Rioja Province, Argentina.
Population edit
It had 723 inhabitants at the 2001 census, an increase of 16% since the last census in 1991, when it had 623 inhabitants.
Settlements edit
- 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
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