The tabia centre is in Megesta village, located approximately 7 km to the southeast of the woreda (town) Hagere Selam.

From the higher to the lower locations, the following geological formations are present:[1] The main geomorphic units, with corresponding soil types are:[3][4] As there are no permanent rivers, the presence of springs is of utmost importance for the local people.

The following are the main springs in the tabia:[5] The population lives essentially from crop farming, supplemented with off-season work in nearby towns.

[citation needed] In the northern part of Harena, called Argak'a, there is a large rock of more than 50 m2 - a legend says that a certain Ilias transported it up to there.

[8] The main road Mekelle – Hagere Selam – Abiy Addi runs at the north and west of the tabia.