Children's opera is an academic research domain dedicated to the systematic study of operatic works created for or significantly involving young audiences and performers. This field investigates the compositional, dramaturgical, and performative characteristics specific to this genre, analyzing its historical development, pedagogical functions, and socio-cultural significance. Research within this domain examines diverse aspects including aesthetic principles tailored for young audiences, the role of children as performers, methods of audience engagement and reception, and the educational impact of operatic experiences on youth, contributing to a broader understanding of music theatre, arts education, and cultural transmission.