“飞地”是国际法上的一个重要概念。《法学辞典》对它的定义是:“指一国位于他国国境之内不与本国毗连的领土。”通俗地说,就是一国的土地“跑到”另一国的国土上。迄今世界上的“飞地”为数不少,较著名的有:加里宁格勒、荷兰境内属比利时的巴尔列-赫尔托格、位于法国境内属西班牙的利维亚、摩洛哥境内属西班牙的休达、梅利利亚和英占直布罗陀、美占关塔那摩等。“飞地”的成因有两种:一种是“自然形成”; “Enclave ” is an important concept in international law. The Dictionary of Legal Terms defines it as: “a territory that is not within its borders within a country’s borders.” “In a nutshell, it is the land of one country that runs to another country’s territory . So far in the world, there are quite a few ”enclaves“ in the world, notably Kaliningrad, the Baltimore-Herold in Belgium in the Netherlands, Livia in Spain in France, Spain’s Ceuta, Melilla and British share of Gibraltar, the United States accounted for Guantanamo and so on. ”Enclave “ There are two reasons for the formation: one is ”natural formation ";