What is "dervenochoria"

Dervenochoria is a former municipality in Boeotia, Greece. Since the 2011 local government reform it is part of the municipality Tanagra, of which it is a municipal unit. In 2001 its population was 2,191. Its area is 228.9 km², and it covers the southernmost portion of Boeotia. The main village is Pyli.