Tigray Province
Tigray (, ) is a historical region and province of Ethiopia. It encompasses most of the territories of Tigrinya-speakers (and a few minority groups closely linked with them) in Ethiopia; Tigray is separated from the northern Tigrinya territories by the River Mereb, now serving as the state border to Eritrea.
Tanga Region
Tanga Region is one of the 31 administrative regions of Tanzania. It is bordered by Kenya and Kilimanjaro Region to the north; Manyara Region to the west; and Morogoro and Pwani regions to the south. Its eastern border is formed by the Indian Ocean. It has a population of about two million.