Let KAYAK do the searching
Based on KAYAK hotel searches, the most popular destination is Kabul (94% of total searches to Afghanistan). The next most popular destinations are Mazar-I-Sharif (3%) and Bamiyan (3%). Searches for hotels in Herāt (1%) are also popular.
Based on KAYAK hotel searches, the most popular region to stay in Afghanistan is Kabol. Balkh and Bamian are also very popular.