1

This house is '37', but '37а'

This house is '37в', not '37а'

https://www.facebook.com/events/448319962254246/?acontext=%7B%22source%22%3A5%2C%22page_id_source%22%3A220865445326125%2C%22action_history%22%3A[%7B%22surface%22%3A%22page%22%2C%22mechanism%22%3A%22main_list%22%2C%22extra_data%22%3A%22%7B%5C%22page_id%5C%22%3A220865445326125%2C%5C%22tour_id%5C%22%3Anull%7D%22%7D]%2C%22has_source%22%3Atrue%7D

"Nothing"
The place has gone or never existed. This is an auto-generated note from MAPS.ME application: a user reports a POI that is visible on a map (which can be outdated), but cannot be found on the ground.
POI name: Дружби народів
POI types: railway-station-subway-kiev
OSM data version: 2018-05-26T22:39:02Z
#mapsme

банку Хрещатик вже немає?

вул. Івана Кудрі, 7, оф.1

Вочевидь, це помилка.
Вулиці з такою назвою, що залишилися у Києві, пролягають абсолютно в інших місцях. https://uk.wikipedia.org/wiki/%D0%9C%D0%BE%D1%81%D0%BA%D0%BE%D0%B2%D1%81%D1%8C%D0%BA%D0%B0_%D0%B2%D1%83%D0%BB%D0%B8%D1%86%D1%8F#місто_Київ

калитка