Herzogspark

Herzogspark is a 1.5 hectare municipal park, with small botanical garden, located on the banks of the Danube at the western edge of the old city, at Hundsumkehr Strasse, Regensburg, Bavaria, Germany.

The park dates to 1293, when a new wall was constructed after enlargement of the city. Its moat now forms part of the landscape. The site became a private garden in 1804, subsequently owned by the Princely House of Thurn and Taxis, and served its Württembergisches Palais served as the residence of Duchess Maria Sophia of Württemberg. It 1935 it became municipal property, and in 1950-1952 was converted to a public park. Today it contains the following major features:

The Prebrunnturm - A square medieval tower dating to 1293, open in the summer.

Source: Wikipedia