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Transdanubia

Traditional region of Hungary

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Landscape at Lake Balaton, Hungary.
txd · CC BY 2.0

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Through Historical region, Stone Age and Roman Empire

Territory and administrative divisions

Traditional interpretation

The borders of Transdanubia are the Danube River (north and east), the Drava and Mura rivers (south), and the foothills of the Alps roughly along the border between Hungary and Austria (west).

Transdanubia comprises the counties of Győr-Moson-Sopron, Komárom-Esztergom, Fejér, Veszprém, Vas, Zala, Somogy, Tolna, Baranya and the part of Pest that lies west of the Danube. (In the early Middle Ages the latter was known as Pilis county.)

This article deals with Transdanubia in this geographical meaning.

Territorial changes

Transdanubia is essentially a Hungarian geographical concept, so its meaning varies in time, as it applies only to areas within the borders of Hungary during each specific historical period.

While the northern, eastern and southern borders of the region are clearly marked by the Danube and Drava rivers, the western border was always identical with the political boundary of Hungary, therefore it was affected by the territorial changes of the 20th century. Before the Treaty of Trianon in 1920 the present-day regions of Burgenland, Prekmurje and Međimurje were integral parts of Transdanubia. The three villages of Rusovce, Jarovce and Čunovo also belonged to Transdanubia before the Paris Peace Treaty in 1947. These areas ceased to be parts of Transdanubia when they became part of the neighbouring countries.

EU regions

Transdanubia is a NUTS territorial unit in the European Union, consisting of Central Transdanubia, Western Transdanubia and Southern Transdanubia (see NUTS:HU). Pest county and Budapest belong to the region of Central Hungary. It has an area of 36,610 km2 (14,140 sq mi) and a population of 2,871,756 (1 January 2025).

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