Iran’s Border Wall: A New Chapter in Regional Security Strategy

As Iran undertakes the construction of a 300-kilometer concrete wall along its border with Afghanistan, the region's geopolitical dynamics are poised for significant change.

As Iran undertakes the construction of a 300-kilometer concrete wall along its border with Afghanistan, the region’s geopolitical dynamics are poised for significant change. This $3 billion project, aimed at curbing cross-border terrorism, smuggling, and illegal immigration, is a direct response to the Taliban’s resurgence in 2021, which has plunged Afghanistan into a state of instability and governance vacuum. However, the wall represents more than just a physical barrier; it reflects Iran’s shifting security strategy and could potentially reshape Afghanistan’s relations with its neighboring countries.

Iran has initiated a significant infrastructure project to build a border wall along its frontier with Afghanistan, marking a critical step in its regional security efforts. This three-year, phased plan aims to bolster border control, counter terrorism, and combat illegal activities. The wall, equipped with modern surveillance systems, represents Iran’s commitment to safeguarding its territorial sovereignty amidst regional instability. Defense experts view the project as a key deterrent to cross-border threats, reinforcing Iran’s broader strategy to secure its eastern boundaries and ensure long-term stability. The project highlights Iran’s dedication to preserving its territorial sovereignty and tackling regional instability

Iran has completed an initial 10 kilometers of a concrete wall along its border with Afghanistan and has plans to extend it by an additional 50 kilometers. Brigadier General Nozar Nemati, Deputy Commander of the Iranian Army’s Ground Force, confirmed that military units have been deployed to oversee the project, which aims to enhance border security and positively impact Iran’s economy. The operation involves multiple engineering teams and workshops, supported by hundreds of vehicles. This construction comes amid concerns over cross-border security, smuggling, and illegal migration, with Iran intensifying its efforts to address these regional challenges.

However, Iran’s construction of a wall along its border with Afghanistan is a positive step toward controlling the influx of terrorists into neighboring states. Since the Taliban’s takeover, Afghanistan has become increasingly volatile, with various terrorist groups regaining strength under the Taliban regime’s influence. The U.S. withdrawal in August 2021 left a power vacuum that has worsened regional security, allowing groups like Tehrik-i-Taliban Pakistan (TTP), Al-Qaeda, and ISIS-K to exploit the instability. These groups have carried out numerous attacks, targeting civilians and neighboring countries, and the heightened cross-border threats have raised security concerns for regional powers like Pakistan, Iran, and Central Asian states.

Historically, neighboring countries have not felt the necessity to construct walls along their borders with Afghanistan. However, the rising threats from extremist groups within Afghan territory have compelled these nations to adopt defensive strategies. Iran and Pakistan are leading these initiatives, feeling the need to build barriers to address issues like terrorism, smuggling, and illegal crossings. Iran’s border wall is not an aggressive move but a measure of self-preservation, underscoring the inability of the Interim Afghan Government (IAG) to manage non-state actors and extremist elements within its borders.

This construction aligns with the global principle that countries have the right to secure their borders against external threats, particularly in unstable regions. By strengthening its borders, Iran communicates a strong message about the necessity of stability and security in the area, potentially creating a safer environment for future diplomatic relations. Critics of Pakistan’s fence along the Pak-Afghan border should consider Iran’s similar initiatives, which highlight the significance of securing borders to guard against the spillover of terrorism from Afghanistan’s neighboring countries.

Pakistan has long faced criticism for building its own fence along the 2,640-kilometer Durand Line, despite experiencing the same security challenges as Iran. For years, Pakistan has been at the forefront of the fight against terrorism, enduring the consequences of both domestic and cross-border insurgencies. Its decision to strengthen its borders arises from a genuine need to prevent the infiltration of terrorist groups and ensure the safety of its citizens. However, these efforts receive disproportionate scrutiny compared to those of other countries dealing with similar issues. Iran’s border wall underscores the necessity of such measures, reinforcing the idea that Pakistan’s actions are not only justified but also crucial for regional security. Simultaneously, both Iran and Pakistan have become increasingly engaged in the forced deportation of Afghan refugees, exacerbating the humanitarian crisis. These security measures and deportations heighten the vulnerabilities of Afghan refugees, who find themselves trapped between the instability in their homeland and the restrictive policies of neighboring countries

In nutshell, Iran’s decision to build a border wall with Afghanistan reflects a comprehensive strategy to tackle security, migration, regional stability, and historical boundary issues. This initiative aims to bolster border security amid growing concerns about cross-border insurgency and illegal activities, emphasizing Iran’s commitment to protecting its sovereignty. It also highlights the intricate dynamics where domestic issues intersect with geopolitical interests and humanitarian crises. The wall’s effectiveness in enhancing security and stability will largely rely on cooperation and dialogue with the Taliban regime in Afghanistan. Ultimately, the construction of the wall will strengthen Iran’s defense against potential threats from insurgency and smuggling, while also addressing the complexities of cross-border territorial claims posed by the Taliban.

Saima Afzal
Saima Afzal
The author is a Research Scholar and Analyst; M. Phil in Peace and Conflict Studies from National Defence University Islamabad, Pakistan. Miss. Afzal regularly contributes her opinion at various forums on contemporary issues of national and international security.