'''Salamanca''' can refer to more than one place in the world. You could be looking for:
#Salamanca (city), the City, in a province of Spain with the same name.
#Salamanca (province), the Spanish province where the city of the same name is found.
#Salamanca (Mexico), a city in the state of Guanajuato, Mexico
#Salamanca (neighborhood), an area in the city of Madrid