Mersa
Mersa is a town in Semien Wollo of the Amhara Region 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.
Mersa was a victim of rocket attack by Derg at the beginning of 1990. Jenny Hamond described the incident as: "It was the site of a terrible atrocity by the retreating Derg forces as the Front fighters closed in on them in 1990. They retreated to a safe distance and then they turned their heavy BM rocket launchers onto the defenseless town."