Gotteswerder

Gotteswerder - Credit: Wikimedia Commons

Gotteswerder () was a Teutonic castle in the vicinity of Kaunas, constructed during the Lithuanian Crusade in the currently non-existent island of Virgalė, which was located at the confluence of Nemunas and Nevėžis. First built by the Grand Duchy of Lithuania in 1363, the castle was captured by the Teutonic Order in 1368. Read more on Wikipedia

type: military structure
date from: 1363

Source: en.wikipedia.org