A wall-mounted washing machine includes a drying device. The drying device includes a fan coupled to the tub, a hot air supply duct coupled to the fan and configured to guide the air blown from the fan into the tub, a drying heater disposed inside the hot air supply duct and configured to heat the air introduced into the hot air supply duct, and a hot air discharge duct coupled to the tub and configured to guide air flowing from the tub toward the fan and to dehumidify the air passing through the tub. At least a part of the hot air discharge duct is integrally formed with the tub.
