Prelims: Current events of national and international importance | World Geography
Why in News?
Recently, tensions between Pakistan and Afghanistan escalated into armed clashes along the disputed Durand Line, with both sides carrying out cross-border strikes and military operations.
The Durand Line
- It is the international land border that stretches for about 2,600 km between Afghanistan and Pakistan.
- Intended to establish "spheres of influence" rather than a permanent international border.
- It is an agreement between the British (Sir Henry Mortimer Durand) and Abdur Rahman Khan, the then-emir of Afghanistan.
- Established in – 1893.
- Stretches – From the border with Iran in the west to China’s border in the east, spanning through the Karakoram range to the Registan desert.

- It cuts directly through the Pashtun tribal heartlands, making it a long-standing source of tension between Afghanistan and Pakistan.
Important Border Crossings
- They are critical trade and transit points between the two countries, particularly for goods moving between South Asia and Central Asia.
- Torkham Border Crossing – It is a major border connecting Nangarhar province of Afghanistan with Pakistan's Khyber Pakhtunkhwa province.
- Operational Status – As of early 2026, the border frequently faces closures due to cross-border skirmishes and security tensions.

- Ghulam Khan Crossing – It connects North Waziristan (Khyber Pakhtunkhwa province, Pakistan) to Khost province, Afghanistan.
- Chaman – Spin Boldak Crossing – It connects Chaman town in Chaman District, Balochistan (Pakistan) to Wesh and Spin Boldak in Kandahar Province (Afghanistan).
- Part of – A key route linking the provincial capitals Quetta (Pakistan) to Kandahar (Afghanistan).
Important Regional Provinces
- Kandahar (Afghanistan) – The historical and political power base of the Taliban.
- Paktia (Afghanistan) – Known for its rugged, mountainous terrain and deep-seated tribal autonomy.
- It has historically served as a staging ground for cross-border resistance movements.
- Nangarhar (Afghanistan) – It is the eastern gateway of Afghanistan to Pakistan.
- Khost (Afghanistan) – Khost is a southeastern Afghan province bordering Pakistan’s North Waziristan and surrounded by mountainous terrain.
- The Khost–Waziristan region has long been a centre of militant activity and cross-border insurgency networks.
Reference
TH | Strategic Geographic Area of Pakistan and Afghanistan