The term "subtropics" refers to regions of the world that are adjacent to or slightly further from the tropics, where the climate is characterized by mild winters and hot summers. There are several synonyms that can be used to describe these areas, including "semi-tropical," "warm temperate," and "subtemperate." Other related terms include "Mediterranean climate," which denotes areas with dry summers and mild, wet winters, and "humid subtropical," which describes the regions that have hot, humid summers and mild winters. In general, the subtropic regions are known for their lush vegetation, diverse wildlife, and unique cultures, making them popular destinations for travelers and nature enthusiasts alike.