Portugal–Spain border

The Portugal-Spain border is established by the Treaty of Zamora, which was signed on October 5, 1143, and has been amended several times since then. The border is defined by a series of geographical coordinates and landmarks, including the Minho River and the Guadiana River. The border crossing points are designated by the Portuguese and Spanish authorities, and are subject to change. The border is monitored by the border control authorities of both countries.

The free movement of persons between Portugal and Spain is governed by the Schengen Agreement, which allows citizens of both countries to cross the border without undergoing passport control. However, certain restrictions may apply to individuals who are not citizens of the European Union or who are subject to a European arrest warrant. The border control authorities may also conduct random checks on individuals and vehicles crossing the border. The Schengen Agreement also provides for cooperation between the law enforcement agencies of both countries.

The Portugal-Spain border is also subject to the provisions of the European Union's asylum and immigration policies, which aim to ensure a common approach to the management of migration flows. The border control authorities of both countries are required to cooperate in the identification and processing of asylum seekers and migrants. The authorities may also conduct joint operations to combat human trafficking and smuggling. The European Union's asylum and immigration policies are implemented through a series of directives and regulations.

The crossing of the Portugal-Spain border by minors is subject to specific regulations, which require minors to be accompanied by a parent or guardian or to carry a written authorization from their parents or guardians. The border control authorities may also require minors to provide proof of their identity and nationality. The authorities may also conduct checks to ensure that minors are not being trafficked or exploited. The regulations on the crossing of minors are aimed at protecting their safety and well-being.

The Portugal-Spain border is also subject to the provisions of the European Union's customs and taxation policies, which aim to ensure a common approach to the movement of goods across the border. The customs authorities of both countries are required to cooperate in the collection of customs duties and taxes, and to combat customs fraud and evasion. The authorities may also conduct joint operations to inspect goods and vehicles crossing the border. The European Union's customs and taxation policies are implemented through a series of regulations and directives.