Somaliland, officially the Republic of Somaliland, is a de facto state in the Horn of Africa. Somaliland lies in the Horn of Africa, on the southern coast of the Gulf of Aden. It is bordered by Djibouti to the northwest, Ethiopia to the south and west, and the uncontested part of Somalia to the east. Its territory has an area of 176,120 square kilometers (68,000 sq. mi), with approximately 5.7 million residents as of 2021. The capital and largest city is Hargeisa.