Harburg is a town in the Donau-Ries district, in Swabia, Bavaria, Germany. It is situated on the river Wörnitz and on the southeastern edge of th…Harburg is a town in the Donau-Ries district, in Swabia, Bavaria, Germany. It is situated on the river Wörnitz and on the southeastern edge of the Ries meteorite crater in the UNESCO Global Geopark Ries.