[5] Dobl-Zwaring is located in the southwest part of the Graz-Umgebung District, about 14 kilometres (8.7 mi) south of Graz.

For centuries, the history of Dobl was determined by Gjaidhof Castle, which was a hunting lodge of Maria Theresa.

[10] The municipalities of Zwaring and Pöls were merged on January 1, 1968, on the proposal of the district management team of Graz-Umgebung.

Both municipalities voted for the voluntary merger in October 1967, as they received a higher share of the tax revenues.

After consultation with the National Archives to create a corresponding template, the Styrian government then awarded, with order of 25 February 2016, the market town the right to use the new municipal coat of arms beginning on 10 March 2016.

The family commissioned the Viennese architect Moritz Wappler with basic reconstruction works, which were partly trained as "buildings in the Swiss township".

A contemporary source of the "poultry barn" ... built according to the most rational principles, provided with eggs, brood and mast rooms, offers room for about 30 breeds of different chickens and pheasants, which lead their spurs to the places with low wire grids The garden side.

Maximilian von Washington was in contemporary literature as "one of the finest authorities of Austria in areas of agriculture and farmers".

[14] On 23 June 2003 in the park at Pöls, a giant spruce (or grand fir) was uprooted, which in 1856 by King I. Otto of Greece (cousin of Emperor Franz Joseph I of Austria - the father of Otto I and the mother of Francis Joseph Were siblings and brother-in-law of Marie Friederike von Washington), was planted together with his wife Amalie (duchess of Oldenburg and sister of Friederike von Washington), on the occasion of his visit to Pöls Castle, and had a height of 5 m (16 ft) (H. Rößmann - quoted from the Upper Bavarian Archive, Volume 131).