If you go to Zanzibar, it is recommended to visit the old part of it, Stone Town, whose history is linked to slavery.
It is also strongly recommended to make a spice tour to discover the origin of many spices used in cuisine, as well as to taste delicious tropical fruits.
On Mafia Island, you can visit Swahili villages and a traditional shipyard building dhows, local boats made entirely of wood, up to today.
And during safari, in Ruaha National Park, it is possible to visit a Swahili village and a Masai village when staying at Tandala Tented Camp.