Castres is recognized by being an industrial town located in a rural region. The town of Castres is situated towards the south western area of France, within the region of Languedoc Roussillon, and has a population of about 62,000 inhabitants, being among the largest industrial spots of the surroundings. The town of Castres is the capital of a region in the department of Tarn, within the Midi Pyrenees. Some centuries ago, between 1791 and 1798, this town was named prefecture of Tarn, gaining p.