text: Anyway, I added Puu-Myllypuro using alt_name as it seems more prevailing than I thought first. I live in Eastern Helsinki and had never heard it whereas Myllykylä has certainly been used many times since the planning stage. "Puu-Myllypuro" could be somewhat similar to "Pikku Huopapahti" that never have been official name but just to make the area feel more appealing by associating it with "Huopalahti".
  