There is no need an advance visa for citizens of Saudi Arabia to come to Bnagladesh.
Rather, they will receive visa on arrival (VOA).
A notification issued by Saudi Gazette confirmed the decision.
According to the notification, Saudi citizens interested to enter Bangladesh will be given visa on arrival. After landing in Hazrat Shahjalal International Airport (HSIA) in Dhaka, they may get the visas.”
If any problem occurs, they are requested to contact through mobile number or email address given by the embassy.
According to Passport Index information, Saudi citizens can travel to 48 countries without visas while Bangladeshi citizens 16 countries. They get on arrival visas in 33 countries.