瑟孔迪尼是法国的城镇，位于该国西部，由德塞夫勒省负责管辖，距离尼奥尔35公里，面积37平方公里，2006年人口1,763，人口密度每平方公里48人。

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Secondigny is a commune in the Deux-Sèvres department in western France.

It is situated about 14 km west of the town of Parthenay and 35 km north of Niort.

Secondigny is the source of the Thouet, a river that flows east and then north before joining the Loire near Saumur. Just to the west of Secondigny is the source of the Sèvre Nantaise, which flows west and north to join the Loire in Nantes.