Most borders are easy to spot. There's a fence, a river, a checkpoint, or at least a sign. But in one small town in Europe, the border between two countries winds through streets, shops, and even people's living rooms. Walk to the corner store, and you might cross an international line twice.
That town is Baarle, which is really two towns woven together: Baarle-Hertog, which belongs to Belgium, and Baarle-Nassau, which belongs to the Netherlands. Baarle-Hertog is made up of 26 separate pieces of land, including 22 little Belgian islands completely surrounded by the Netherlands. Inside some of those, there are even tiny pieces of the Netherlands again.
A Border Made of Medieval Deals
How did such a tangle happen? It goes back to the Middle Ages. Over many years, the Lords of Breda and the Dukes of Brabant made a long series of treaties, land swaps, and sales. Generally, farmland and built-up areas went to Brabant, while other parcels went to Breda.
Those old divisions were confirmed and clarified in 1843 under the Treaty of Maastricht, which settled the border between Belgium and the Netherlands. Instead of tidying things up, it locked the patchwork in place.
The result is remarkable. The smallest Belgian parcel, known locally as De Loversche Akkers, measures only about 26,580 square feet, smaller than many backyards.
Living on the Line
To help residents and tourists, the border is marked on the streets with iron pins, so you always know which country you're standing in. Even house numbers give it away. The two countries use different styles of numbering, and many homes display a little Dutch or Belgian flag next to the number.
Some houses are actually divided between the two countries. At one time, Dutch restaurants had to close earlier than Belgian ones. For restaurants sitting right on the border, the solution was simple: when closing time came on the Dutch side, customers moved to a table on the Belgian side.
Differences in law still pop up. Belgium's fireworks rules are more relaxed, so Baarle-Hertog has many fireworks shops, and Dutch visitors come to stock up for New Year's. In 2020, different pandemic rules meant some Belgian residents couldn't visit an open Dutch bar just a few yards away.
A Safe Haven in Wartime
The odd borders once mattered a great deal. During World War I, the Netherlands stayed neutral while Germany occupied Belgium. Because the Belgian pieces of Baarle were surrounded by Dutch land, the German army couldn't reach them without crossing the Netherlands, which the Dutch government didn't allow.
These scraps of free Belgium became a refuge. A secret radio transmitter was smuggled in and worked with the Belgian resistance. The Dutch fenced off the areas and even built a church and school for the Belgians stranded inside. That didn't happen in World War II, when both countries were occupied.
Easier Than It Sounds
Today, life in Baarle is much simpler than it looks on a map. Since the 1990s, the European Union and the Schengen Agreement, which removed routine border checks, have smoothed out many practical problems. The two towns even share a joint library with Belgian and Dutch staff.
So if you ever visit, grab a coffee, look down at the pavement, and take a step. You might just have traveled abroad without leaving your seat.
