Some previously ungeocoded or poorly geocoded historical biodiversity collecting localities of Namibian relevance are clarified, including those that have usually been treated as Namibian but are actually in neighbouring countries, or vice versa. Collectors treated are: J.F. Drège, J.A. Wahlberg, K.J. Andersson, A.W. Eriksson, H. Schinz, A. Lüderitz, L. Schultze, the South African Museum expeditions, the Swedish South Africa Expedition, G. Hobohm, and F. Gaerdes. Keywords: Namibia, biodiversity, historical collecting localitie.