This, in Taxco, is a phrase used to refer to the three main silver-producing regions in Mexico. Esta, Esto, and Este are the Spanish words for 'this, ' 'THAT, ' and 'these, ' respectively, and they refer to the three regions of Taxco, Guerrero, Mexico: Taxco de Alarcón, Santa Prisca, and San Miguel de Allende. These regions are known for their high-quality silver production and have been producing silver since the 16th century.