6th edition. This is a double-sided map with the El Salvador (1:270.000) on one side, along with a detailed inset map of San Salvador. The maps also shows the country's World Heritage city of Chalchuapa, dating back 3,200 years. The other side of the sheet is a completely separate maps of neighbouring Guatemala, being a detailed map of the central southern portion (1:457.000)of this important country. The highlights shown on this map are Quetzaltenango, Antigue Guatemala, and the Mayan ruins of Quirigua, dating from 200ad. The border crossings with El Salvador are clearly shown and are easily crossed.