The Treaty of Limits was a 1906 treaty between Brazil and the Netherlands which established the international boundary between Brazil and the Dutch colony of Suriname. The treaty defined the border as being
The treaty also established the possibility of designating a joint Brazilian–Dutch commission that would physically demarcate the border with markers if that was deemed necessary. The boundary defined by the treaty is still the recognized border between Brazil and now-independent Suriname. There are no border checkpoints along the border, and much of the border region consists of impenetrable rainforest, but the boundary commission has set down 60 border markers along the Brazil–Suriname border.