Herblay is located in France (Val d'Oise, Île-de-France) and time zone Europe/Paris.
Places nearby are Montigny-lès-Cormeilles, Cormeilles-en-Parisis and Pierrelaye.
Paris is 21 km away, London is 332 km away and Nantes is 356 km away as the crow flies.
Distances from Herblay to the most important cities in France and the world.
48.9899400°
2.1699000°
Study and use of supposed medicinal properties of plants
https://en.wikipedia.org/wiki/Herbal_medicine