👉 The term "thirdborough" is a geographical term that refers to a town or village located in a district of London, England. It is often used as a place name for a part of the city, and it can refer to either a specific area within the city or a more general area around the city. In English-speaking countries, "thirdborough" typically means a small town or village that lies between two other towns in a district (such as the London Borough of Lamb