(Click Image to Enlarge)From The BBC:
The US has declared the Afghan-Pakistan border region to be the new frontline in its war against Islamic militants. Click on the provinces or the links below the map to see how militants operate on either side of the border. (Text: M Ilyas Khan)
Helmand, Chaghai
Kabul's writ has never run strong in the remote southern plains of Helmand province. For this reason, it has emerged as the most significant Taliban stronghold in Afghanistan. Further south, across the border in Pakistan, lies the equally remote Noshki-Chaghai region of Balochistan province.
Since 9/11 this region has been in turmoil. In the Baramcha area on the Afghan side of the border, the Taliban have a major base. From there they control militant activities as far afield as Nimroz and Farah provinces in the west, Oruzgan in the north and parts of Kandahar province in the east. They also link up with groups based in the Waziristan region of Pakistan.
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My Comment: An excellent interactive map from the BBC.