ADEN Author:Sir Tom Hickinbotham The purpose of this book is to make available an accurate picture of the country and people of the Colony and the Protectorate of Aden. Aden (/ˈɑːdɛn/ ah-den, Arabic: عدن ʻAdan) is a seaport city in Yemen, located by the eastern approach to the Red Sea (the Gulf of Aden), some 170 kilometres eas... more »t of Bab-el-Mandeb. Its population is approximately 800,000. Aden's ancient, natural harbour lies in the crater of an extinct volcano which now forms a peninsula, joined to the mainland by a low isthmus. This harbour, Front Bay, was first used by the ancient Kingdom of Awsan between the 5th and 7th centuries BC. The modern harbour is on the other side of the peninsula.« less