The Staufenmauer was an old city wall of Frankfurt am Main, Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

.

It was built in 1180 under the Hohenstaufen

Hohenstaufen

The House of Hohenstaufen was a dynasty of German kings in the High Middle Ages, lasting from 1138 to 1254. Three of these kings were also crowned Holy Roman Emperor. In 1194 the Hohenstaufens also became Kings of Sicily...

 rule to protect the city from attack and surround the present Altstadt

Altstadt (Frankfurt am Main)

Altstadt or old city is a district or Stadtteil of Frankfurt am Main, Germany, located on the northern Main bank. It is part of the Ortsbezirk Innenstadt I. It is surrounded by the Stadtteil of Innenstadt...

. When the city was expanded in 1333, the old wall became a victim of efforts to reorganize the city defenses.

Today one can still see a small portion along the Fahrgasse, a part that was restored after the 18th century fire in the Jewish Ghetto.