"Blue Neighbourhood" is a music trilogy by Australian singer-songwriter Troye Sivan, released in 2015. It consists of three EPs: "Blue Neighbourhood: Part I," "Part II," and "Part III." The project explores themes of love, identity, and self-discovery, particularly focusing on LGBTQ+ experiences. The trilogy is accompanied by a series of music videos that tell a cohesive story about young love and the challenges faced by the characters. The songs blend pop and electronic elements, showcasing Sivan's distinctive voice and songwriting skills, and have received critical acclaim for their emotional depth and production quality.