You Do Need power plug adapter while traveling from United Kingdom (UK) to Tanzania.

Here is Why You Need An Adapter

The outlet and plug type used in Tanzania are D and G and in United Kingdom (UK) is G. This is how they look like.

In United Kingdom (UK), outlets of type G are in use.

Type G

In Tanzania, outlets of type D and G are in use.

Type D

Type G

I am from

going to