Herrngarten is a historical part and one of the oldest in Darmstadt, Germany. Its location right in the heart of the city makes it easily accessible. Read more about it here:
Just a 5-minute walk along the stretch of road from Luisenplatz towards Residenzschloss leads to the equestrian statue of Ludwig IV(the Grand Duke of Hessen and Rhein 1877-92) in Friedenplatz.
Prinz-Emil-Garten is a historical park close to the city center of Darmstadt. Today it is a hub of many activities and and active place for recreation and sport.
The Orangery, most certainly, finds a place among the beautiful parks and gardens in Darmstadt. Read this article to learn more about this historic garden.