The Yusufzai are the largest and northernmost Pashtun tribe by both population and land area, numbering in the millions The Yusufzai are part of the Sarbani confederation of Pashtuns, inhabiting the hills & valleys along the Swat, Panjkora and Indus rivers along with the Peshawar Valley in the south extending into the Chachh Valley of Attock District in Punjab province There are 20 clans (khels) within the Yusufzai whom are categorized into 5 sub-tribes based on lineage & descent
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