Unable to answer "What street is this on?" – house number 316: House – https://osm.org/way/291203049 via StreetComplete 63.0:

It has multiple numbers. 315, 316, 317 and 318. it's multiple holiday Appartements. And it is connected to the house below it.

Attached photo(s):
https://streetcomplete.app/p/335547.jpg