The barrier towns were present-day Belgian towns, heavily fortified by the Dutch, on the Austrian Netherlands's border with

France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...

, and as such were particularly important in the wars between the

Dutch Republic The United Provinces of the Netherlands, also known as the (Seven) United Provinces, officially as the Republic of the Seven United Netherlands (Dutch: ''Republiek der Zeven Verenigde Nederlanden''), and commonly referred to in historiography ...

and

Ancien Régime ''Ancien'' may refer to * the French word for "ancient, old" ** Société des anciens textes français * the French for "former, senior" ** Virelai ancien ** Ancien Régime ** Ancien Régime in France {{disambig ...

France. The Barrier Treaty made it possible for Austria to have its possessions in the Netherlands defended, whilst the Dutch Republic would not have to fight a war on its own territory. In the 1713 Treaty of Utrecht the allies conferred the conquered city of

Tournai Tournai or Tournay ( ; ; nl, Doornik ; pcd, Tornai; wa, Tornè ; la, Tornacum) is a city and municipality of Wallonia located in the province of Hainaut, Belgium. It lies southwest of Brussels on the river Scheldt. Tournai is part of Euromet ...

on the Netherlands for use as a barrier tow

After further ratification, the barrier towns were Veurne,

Ypres Ypres ( , ; nl, Ieper ; vls, Yper; german: Ypern ) is a Belgian city and municipality in the province of West Flanders. Though the Dutch name is the official one, the city's French name is most commonly used in English. The municipality co ...

Menen Menen (; french: Menin ; vls, Mêenn or ) is a city and municipality located in the Belgian province of West Flanders. The municipality comprises the city of Menen proper and the towns of Lauwe and Rekkem. The city is situated on the French/Be ...

Mons Mons (; German and nl, Bergen, ; Walloon and pcd, Mont) is a city and municipality of Wallonia, and the capital of the province of Hainaut, Belgium. Mons was made into a fortified city by Count Baldwin IV of Hainaut in the 12th century. T ...

Charleroi Charleroi ( , , ; wa, Tchålerwè ) is a city and a municipality of Wallonia, located in the province of Hainaut, Belgium. By 1 January 2008, the total population of Charleroi was 201,593.

Namur Namur (; ; nl, Namen ; wa, Nameur) is a city and municipality in Wallonia, Belgium. It is both the capital of the province of Namur and of Wallonia, hosting the Parliament of Wallonia, the Government of Wallonia and its administration. Namu ...

and the citadel of

Ghent Ghent ( nl, Gent ; french: Gand ; traditional English: Gaunt) is a city and a municipality in the Flemish Region of Belgium. It is the capital and largest city of the East Flanders province, and the third largest in the country, exceeded in ...

. In the

War of the Austrian Succession The War of the Austrian Succession () was a European conflict that took place between 1740 and 1748. Fought primarily in Central Europe, the Austrian Netherlands, Italy, the Atlantic and Mediterranean, related conflicts included King George's W ...

, France conquered these towns, but at the end of the war was forced to return them to Austria by the 1748 Congress of Aix-la-Chapelle and the resulting

Treaty A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations An international organization or international o ...

. In 1781, the Austrian Emperor did not continue the Barrier Treaty, and the Dutch troops had to abandon the towns.

See also