(59) بَابُ الاَدْنَى فَالادْنَى مِنَ الْجِيرَانِ
Al-Hasan was asked about the neighbour and said, "The term 'neighbour'includes the forty houses in front a person, the forty houses behind him,the forty houses on his right and the forty houses on his left."
Reference: Al-Adab Al-Mufrad 109
In-book reference: Book 6, Hadith 9
English translation: Book 6, Hadith 109