Spreuerhofstraße
Spreuerhofstraße is the world's narrowest street, found in the city of Reutlingen, Germany. It ranges from 31 centimetres (12.2 in) at its narrowest to 50 centimetres (19.7 in) at its widest. The lane was built in 1727 during the reconstruction efforts after the area was completely destroyed in the massive citywide fire of 1726 and is officially listed in the Land-Registry Office as City Street Number 77.
Coordinates: 48°29′27″N 9°12′57″E / 48.4908°N 9.2157°E
...
Wikipedia