Poster Size Ireland Map - with TerrainAbout This Ireland Map with Terrain Includes terrain relief image in the land with country borders major cities rivers and roads. In Illustrator format the background terrain is a 300 dpi CMYK Photoshop file so you can alter the background colors easily to your design specifications. Created at 16. 5 x 19 inches (42 x 48 cm), so the terrain image resolution is about 4950 x 5700 pixels. Perfect for large size posters or presentations.