Afghanistan is home to a rich tapestry of ethnic groups, each with distinct traditions, languages and histories. The largest group is the Pashtuns, who make up roughly 40% of the population and dominate the south and east. Tajiks, the second largest group, are concentrated in the north and west and in Kabul. The Hazara people, who live primarily in the central highlands around Bamian, have Mongol ancestry and practice Shia Islam. Uzbeks and Turkmens inhabit the northern plains near Mazar-i-Sharif and Maimana.
The two main languages are Dari (Afghan Persian) and Pashto, both official. Dari is the lingua franca in cities and the north; Pashto dominates the Pashtun heartland. Many Afghans speak both, and Uzbek and Turkmen are common in the north.
Hospitality is not a nicety here -- it is a deeply held obligation. Under the Pashtun code of Pashtunwali, a guest must be sheltered and fed regardless of the host's own circumstances. Expect to be invited for tea, offered food you cannot refuse, and asked about your family. Accepting graciously matters more than the details of what you eat or drink.
Afghanistan is a profoundly poetic culture. Rumi, arguably the most widely read poet in the world, was born in Balkh. Poetry gatherings remain a living tradition. Men recite couplets from Hafiz and Rumi in conversation the way others might quote song lyrics.
Tea is the social glue -- green tea (chai sabz) in the north, black tea (chai siah) in the south. It accompanies every meeting, every negotiation, every moment of rest. Refusing tea is almost unheard of.
Islam shapes daily life completely. Afghanistan is over 99% Muslim, predominantly Sunni with a significant Shia minority (mainly Hazara). The call to prayer punctuates the day. During Ramadan, eating and drinking in public during daylight hours is unacceptable. Since the Taliban's return, religious law governs all aspects of public life, and women are largely excluded from public spaces, education and employment.