Borde costero
In Chilean law borde costero (lit. "coastal border") is defined as; "the said strip of territory that include the public land, the playas, the bays, gulfs, straits and interior channels, and the territorial sea of the republic, [which] makes up a geographic and physical unit of special importance for the integral and harmonic development of the country." The land area within the highest tide, or annual lake level high, and up to 80 m inland from this level is known as the playa (lit.