The first steps towards the attainment of the aspirations entertained were taken by Herr Adolf Lüderitz, a Bremen merchant who, acting under the auspices of the German Colonial Society, and having received from the Imperial Foreign Office assurances of its protection, established a trading settlement, in April, 1883, in the bay of Angra Pequeña, situate between Namaqualand and Damaraland on the west coast of Africa, and about 150 miles north of Orange River, the northern boundary of Cape Colony. Acquiring from a Hottentot chief a stretch of territory 215 miles in extent in the Hinterland of Angra Pequeña, Lüderitz raised the German flag in the settlement, which thus became Germany's first colony. Further concessions of territory were obtained, and in September, 1884, Germany announced that the west coast of Africa, from 26 degrees S. latitude to Cape Frio, excepting Walfisch Bay (declared British in 1878), had been placed under the protection of the German Emperor. A treaty made between England and Germany in 1890 defined the limits of the German South-West African Protectorate as bounded on the south by the Orange River and Cape Colony, on the north by Portuguese Angola, on the west by the Atlantic, and on the east by British Bechuanaland, with the so-called "Caprivi Strip," giving Germany access from the north-east corner of her Protectorate to a point on the Zambezi River north of Victoria Falls.[57] The total area comprised within these boundaries was about 322,200 square miles.