聖克里斯多福及尼維斯的兩個主要島嶼均為火山島,島上中部地區叢林密佈,有數條河流自此發源流向大海,人跡罕至,居民多居住於沿海地區。聖克里斯多福及尼維斯(Federation of St. Christopher and Nevis 或St. Kitts and Nevis)係由聖啟茨及尼維斯二島構成一個國家,位於西印度群島背風群島(Leeward Islands)西北部,東鄰安地卡暨巴布達(Antigua & Babuda),北接荷屬聖佑達修斯(Sint Eustatius)。
^Adkins, Leonard M. (1999). The Caribbean : a walking and hiking guide (3rd ed.). Edison, NJ: Hunter Pub. p. 178. ISBN 0585042586. OCLC 43474982.
^The Constitution of Saint Christopher and Nevis(PDF). [2023-04-08]. (原始内容存档(PDF)于2023-09-20). The island of Saint Christopher (which is otherwise known as Saint Kitts) and the island of Nevis shall be a sovereign democratic federal state which may be styled Saint Christopher and Nevis or Saint Kitts and Nevis or the Federation of Saint Christopher and Nevis or the Federation of Saint Kitts and Nevis.