Frisia
/ˈfrɪzɪə/- an ancient region of NW Europe. It consisted of the Frisian Islands and parts of the mainland corresponding to the modern provinces of Friesland and Groningen in the Netherlands and the regions of Ostfriesland and Nordfriesland in NW Germany.弗里西亚（欧洲西北部一古代地区, 包括弗里西亚群岛和欧洲大陆部分地区, 相当于当今荷兰的弗里斯兰和格罗宁根, 德国西北部的东弗里斯兰地区和北弗里斯兰地区）。