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Kottakarai is an Indian village in Villupuram district of Tamil Nadu. The village is called Kottakarai because kottai means palace in English. In this village there is a big lake. This village is located near to Auroville which is an international township city.

12°00′43.8″N 79°47′48.8″E / 12.012167°N 79.796889°E / 12.012167; 79.796889