Water, sanitation, and hygiene (WASH) for urban populations is one of UNICEF’s emerging areas of focus highlighted in its Global WASH Strategy (2016–2030). In east and southern Africa, a number of WASH programmes have targeted small towns as a niche area in which UNICEF can build on its experience and comparative advantages at a manageable scale for the organisation. The focus of this Field Note is on Ethiopia’s ONEWASH Plus programme, and it is designed as a learning note for the organisation as it strengthens its role in urban areas