|Elevation||1,600 m (5,200 ft)|
|Time zone||UTC+3 (EAT)|
Mersa is a town in Semien Wollo (North Wollo) of the Amhara Region (or kilil) in Ethiopia. It has a latitude and longitude of , with an elevation of 1600 meters. The town is one of the larger areas in the Habru district. Mersa is located along Ethiopian Highway 2.