While dolcetto is produced all over the Langhe region , in the south of Piedmont , its twin centers are the towns of Alba and Dogliani .
Piedmont /location/location/contains Dogliani
Piedmont /location/location/contains Alba
IN NN VBZ VBN DT IN DT NNP NN , IN DT NN IN NNP , PRP$ NN NNS VBP DT NNS IN NNP CC NNP .
Piedmont
LOCATION
Dogliani
PERSON
/location/location/contains
Piedmont
LOCATION
Alba
PERSON
/location/location/contains