https://www.thetimes.co.uk/article/lion-of-panjshirs-son-ahmad-massoud-vows-to-fight-on-against-taliban-in-afghanistan-jbk2lw5s3
Ahmad Massoud (1989-), son of mujahideen guerrilla commander Ahmad Shah Massoud (1953-2001) vows to fight on against the Taliban and says that he won't surrender. Massoud and Saleh are in the Panjshir valley with around 2000-10000 soldiers including remnants of Afghanistan's army (national army, some special force soldiers, commando corps members, air force remnants, Massoud's army (he claims to have 9000 soldiers), independent militias, local civilians and others)
Defence Minister Bismillah Khan and former chief of staff 2020-2021 Yasin Zia are also there.
Also, Karzai and former Chief Executive Abdullah Abdullah seem to still be in the country, trying to negotiate with the Taliban.