The term "Anglo-Frisian" refers to a group of languages that includes English and Frisian. These languages share a common ancestry and have evolved from the same branch of the Germanic language family. The Anglo-Frisian languages are primarily spoken in England and the Frisian regions of the Netherlands and Germany. The connection between Anglo-Frisian languages is significant because it highlights the historical and linguistic ties between the peoples of these regions. Over time, Old English and Old Frisian developed distinct characteristics, but they still retain similarities in vocabulary and grammar, showcasing their shared roots.