Hadith 455
Narrated Aishah, Ummul Muminin: The Messenger of Allah ﷺ commanded us to build mosques in different localities (i. e. in the locality of each tribe separately) and that they should be kept clean and be perfumed.
Hadith 456
Samurah reported that he wrote (a letter) to his sons: After (praising Allah and blessing the Prophet) that: The Messenger of Allah ﷺ used to command us to build mosques in our localities and keep them well and clean.