Addi Walka is a tabia or municipality in the Dogu'a Tembien district of the Tigray Region of Ethiopia.

The tabia centre is in Kelkele village, located approximately 16 km northeast of the woreda town Hagere Selam.

From the higher to the lower locations, the following geological formations are present:[1] The rainfall pattern shows a very high seasonality with 70 to 80% of the annual rain falling in July and August.

[6] The tabia centre Kelkele holds a few administrative offices, a health post, a primary school, and some small shops.

The following churches are located in the tabia: In the main villages, there are traditional beer houses (Inda Siwa), often in unique settings, which are a good place for resting and chatting with the local people.

[5] The main road Mekelle – Hagere Selam – Abiy Addi runs some 7–12 km south of the tabia.