Convention Of Limits (1926)

The Convention of Limits (1926) was a convention signed between

Portugal Portugal, officially the Portuguese Republic ( pt, República Portuguesa, links=yes ), is a country whose mainland is located on the Iberian Peninsula of Southwestern Europe, and whose territory also includes the Atlantic archipelagos of ...

and

Spain , image_flag = Bandera de España.svg , image_coat = Escudo de España (mazonado).svg , national_motto = ''Plus ultra'' (Latin)(English: "Further Beyond") , national_anthem = (English: "Royal March") , i ...

, signed on 29 of June 1926, in

Lisbon Lisbon (; pt, Lisboa ) is the capital and largest city of Portugal, with an estimated population of 544,851 within its administrative limits in an area of 100.05 km2. Grande Lisboa, Lisbon's urban area extends beyond the city's administr ...

. Portugal and Spain signed an agreement demarcating the border from the confluence of Ribeira de Cuncos with the Guadiana, just south of

Olivenza Olivenza () or Olivença () is a town in southwestern Spain, near the Portuguese border, on a historically disputed section of the Portugal–Spain border. Its territory is administered by Spain as a municipality belonging to the province of Bad ...

, to the estuary of the Guadiana River, on the far South. The border between Portugal and Spain from the confluence of the

Caia (river) The Caia () is a river in the Iberian Peninsula, a tributary to the Guadiana. It is one of the main water courses in the Portalegre District, Portugal. Portugal does not recognise the border between the Caia and Ribeira de Cuncos River deltas, si ...

to the confluence of the

Ribeira de Cuncos Ribeira de Cuncos is a Portuguese ravine that marks the southern point of the disputed section of the Portugal-Spain border, (Arroyo de Cuncos in Spanish). Portugal does not recognise the border between Caia and Ribeira de Cuncos River deltas ...

is not demarcated and remains so nowadays, with the Guadiana River being the de facto border. {{Spain-hist-stub 1926 in Portugal 1926 in Spain Portugal–Spain border 1926 treaties Boundary treaties