Although at the NGO level activists claim that "Roma" should be used instead of "gypsy", it is very common when talking to Balkan Roma to be corrected by them:

Although at the NGO level activists claim that "Roma" should be used instead of "gypsy", it is very common when talking to Balkan Roma to be corrected by them: “Don’t call us Roma, we’re <locally used exonym equivalent to ‘gypsies’>". Obviously their own endonym is Rom, plural Roma, but they sometimes bristle at outsiders using it.