Treaty of Saint-Germain-en-Laye (1919)

Peace treaty signed in 1919 that settled Austria's status after World War I, redistributed Habsburg territories, limited Austrian sovereignty, and incorporated the League of Nations Covenant.

Author: Leandro Alegsa Creation date: November 13, 2022 Last updated: May 10, 2026

The Treaty of Saint-Germain-en-Laye was concluded on 10 September 1919 between the victorious Allied powers and the new Republic of Austria. It formally ended the state of war between Austria and the Allies and marked the legal dismantling of the Austro-Hungarian Empire by recognizing new states and transferring territory. The agreement shaped the political map of Central and Eastern Europe after World War I and established obligations and restrictions that affected Austria's sovereignty and economy for years to come.

Main provisions and structure

Like the contemporaneous Treaty of Versailles, the Saint-Germain treaty incorporated the Covenant of the League of Nations and set out a range of political, military and territorial clauses. It required Austria to renounce claims to territories that had been part of the Habsburg realms, to accept new international borders, and to give guarantees for minority rights. The pact also prohibited political union (Anschluss) with Germany without the League's consent, a provision intended to preserve the balance of power in Europe.

Territorial changes and new states

One of the treaty's most consequential effects was the transfer of large tracts of land from Austria to neighboring countries and newly independent states. Territories were ceded or recognized as belonging to several recipients, for example:

lands incorporated into Czechoslovakia and the new South Slavic state (later Yugoslavia),
regions transferred to Italy, Romania, and Poland,
recognition of separate successor states that had been part of the empire.

As a result Austria became a much smaller, landlocked republic with a redefined national identity and reduced resources.

The treaty included provisions affecting the Austrian military, restrictions on armaments, and clauses related to reparations and financial obligations. Economic dislocation caused by the loss of industrial regions and markets contributed to domestic instability and complicated postwar recovery.

Context, consequences and notable facts

Saint-Germain must be seen alongside other peace settlements of 1919–1920: it complemented the Treaty of Versailles with Germany and preceded the Treaty of Trianon with Hungary. The United States Senate declined to ratify the Versailles treaty or join the League, a diplomatic development mirrored in the U.S. response to the postwar settlement system and reflected in its limited role in enforcing Saint-Germain terms. The treaty's forbiddance of Anschluss in particular remained a contentious point in interwar diplomacy and was later flouted in 1938.

For students of 20th-century history, the Treaty of Saint-Germain is important both for its immediate legal outcomes and for the way it reshaped demographics, minority protections, and state boundaries in Central Europe. Further reading on the treaty's clauses, implementation, and long-term impact can be found through archival sources and specialized studies of postwar diplomacy and nation-building processes (Allied settlement records).

Historians continue to debate how much the terms of treaties like Saint-Germain contributed to instability in the interwar period, but its role in creating the map of post‑imperial Europe is undisputed. For access to primary documents and contemporary commentary consult diplomatic collections and the League's records (related documents, Austrian state archives).

The territorial division of Austria-Hungary after the First World War

State Law Gazette for the Republic of Austria of 21 July 1920: Promulgation of the Treaty of Saint-Germain-en-Laye

Provisions

War Guilt

Austria and her allies were imposed the guilt of war in Art. 177. As authors, they were to be responsible for the losses and damage suffered by the Allied and Associated Governments and their nationals as a result of the war forced upon them by the attack of Austria-Hungary and its allies. The Treaty of Saint-Germain corresponded in these articles to the Treaty of Versailles (Art. 231 ff. VV). Subsequently, however, Austria, unlike the German Reich, did not pay reparations in view of its economic situation. It did not even come to the fixing of a concrete amount; the claim itself was waived in 1929.

Territorial provisions

The main provisions of the 381 articles of the Treaty of Saint-Germain are:

Bohemia, Moravia, Austrian Silesia and some municipalities in Lower Austria (including Feldsberg, the railway station at Gmünd and other municipalities) were transferred to the newly founded Czechoslovakia. The right to self-determination of the German-speaking population in the Sudetenland (Deutschböhmen and Deutschmährer), who had founded the independent provinces of Deutschböhmen and Sudetenland in October 1918, was not taken into account.
Galicia goes to Poland.
South Tyrol, Welschtirol, the Canal Valley and Istria go to Italy. In the process, the new border in Tyrol ran partly through the territory of individual municipalities.
Bukovina goes to Romania.
Dalmatia, Carniola, parts of Lower Styria as well as the Carinthian Mießtal and the Seeland go to the new Kingdom of the Serbs, Croats and Slovenes.
A referendum is to be held on Southern Carinthia as to whether it wishes to belong to Austria or to Yugoslavia in the future.
German West Hungary goes to Austria and receives the name Burgenland (the name comes from the four counties Wieselburg, Eisenburg, Ödenburg and Pressburg, from whose parts the Burgenland is formed).
The annexation of Austria to the German Reich and the use of the state name "German Austria" are prohibited.

Other provisions

Austria had to renounce the exercise of consular jurisdiction.
A general conscription is forbidden. Only a professional army of 30,000 men is allowed. Armament factories and weapons must be destroyed.
The establishment of the League of Nations and the International Labour Organization (ILO), both steps that clearly distinguish the treaty or the entire Paris Suburbs Treaties from previous peace treaties.

After the separation of these territories, Austria (Cisleithania) was left with a residual state of about 6.5 million inhabitants. Reparations were also imposed on Hungary in the Treaty ofTrianon.

Protest

On September 6, the Constituent National Assembly publicly protested against the treaty, which denied the German-Austrian people the right of self-determination and the "heart's desire", the "economic, cultural and political necessity of life": the "unification with the German motherland". One hoped for a possible future unification, the right to unity and freedom of the nation; a "foreign rule" was now being imposed on 3.5 million German Austrians. The responsibility for future turmoil lay with the "consciences of those powers which, in spite of warnings, will carry out the treaty." The economic and financial conditions were "impracticable" and "politically disastrous".